WorksheetsCISCO netcad question
Total questions: 148
Worksheet time: 2hrs 39mins
1.During a routine inspection, a technician discovered that software that was installed on a computer was secretly collecting data about websites that were visited by users of the computer. Which type of threat is affecting this computer?
DoS attack
Identity theft
Spyware
Zero-day attack
2.Which term refers to a network that provides secure access to the corporate offices by suppliers, customers and collaborators?
Internet
Extranet
Intranet
Extendednet
3. A large corporation has modified its network to allow users to access network resources from their personal laptops and smart phones. Which networking trend does this describe?
Cloud computing
Video conferencing
Bring your own device
Online collaboration
4. What is an ISP?
It is an organization that enables individuals and businesses to connect to the Internet.
It is a standards body that develops cabling and wiring standards for networking.
It is a protocol that establishes how computers within a local network communicate.
It is a networking device that combines the functionality of several different networking devices in one.
5. In which scenario would the use of a WISP be recommended?
Any home with multiple wireless devices
An Internet cafe in a city
An apartment in a building with cable access to the Internet
A farm in a rural area without wired broadband access
6. What characteristic of a network enables it to quickly grow to support new users and applications without impacting the performance of the service being delivered to existing users?
Reliability
Scalability
Quality of service
Accessibility
7.A college is building a new dormitory on its campus. Workers are digging in the ground to install a new water pipe for the dormitory. A worker accidentally damages a fiber optic cable that connects two of the existing dormitories to the campus data center. Although the cable has been cut, students in the dormitories only experience a very short interruption of network services. What characteristic of the network is shown here?
Quality of service (QoS)
Scalability
Security
Fault tolerance
Integrity
8. Which device performs the function of determining the path that messages should take through internetworks?
A router
A firewall
A web server
A DSL modem
9. What type of network must a home user access in order to do online shopping?
An intranet
The Internet
An extranet
A local area network
10.How does BYOD change the way in which businesses implement networks?
BYOD requires organizations to purchase laptops rather than desktops.
BYOD users are responsible for their own network security, thus reducing the need for organizational security policies.
BYOD devices are more expensive than devices that are purchased by an organization.
BYOD provides flexibility in where and how users can access network resources.
11. An employee wants to access the network of the organization remotely, in the safest possible way. What network feature would allow an employee to gain secure remote access to a company network?
ACL
IPS
VPN
BYOD
12.What is the Internet?
It is a network based on Ethernet technology.
It provides network access for mobile devices.
It provides connections through interconnected global networks.
It is a private network for an organization with LAN and WAN connections.
Module 2
13. Which statement is true about the running configuration file in a Cisco IOS device?
It affects the operation of the device immediately when modified.
It is stored in NVRAM.
It should be deleted using the erase running-config command
It is automatically saved when the router reboots.
14. Which type of access is secured on a Cisco router or switch with the enable secret command?
Virtual terminal
Privileged EXEC
AUX port
Console line
15. What is the default SVI on a Cisco switch?
VLAN1
VLAN99
VLAN100
VLAN999
16. What is the function of the shell in an OS?
It interacts with the device hardware.
It interfaces between the users and the kernel.
It provides dedicated firewall services.
It provides the intrusion protection services for the device.
17. A router with a valid operating system contains a configuration file stored in NVRAM. The configuration file has an enable secret password but no console password. When the router boots up, which mode will display?
Global configuration mode
Setup mode
Privileged EXEC mode
User EXEC mode
18. An administrator has just changed the IP address of an interface on an IOS device. What else must be done in order to apply those changes to the device?
Copy the running configuration to the startup configuration file.
Copy the information in the startup configuration file to the running configuration.
Reload the device and type yes when prompted to save the configuration.
Nothing must be done. Changes to the configuration on an IOS device take effect as soon as the command is typed correctly and the Enter key has been pressed.
19. Which memory location on a Cisco router or switch will lose all content when the device is restarted?
ROM
Flash
NVRAM
RAM
20. Why would a technician enter the command copy startup-config running-config?
To remove all configurations from the switch
To save an active configuration to NVRAM
To copy an existing configuration into RAM
To make a changed configuration the new startup configuration
21. Which functionality is provided by DHCP?
Automatic assignment of an IP address to each host
Remote switch management
Translation of IP addresses to domain names
End-to-end connectivity test
22. Which memory location on a Cisco router or switch stores the startup configuration file?
RAM
ROM
NVRAM
Flash
23. To what subnet does the IP address 10.1.100.50 belong if a subnet mask of 255.255.0.0 is used?
10.1.0.0
10.0.0.0
10.1.100.32
10.1.100.0
24. What type of communication will send a message to all devices on a local area network
Broadcast
Multicast
Unicast
Allcast
Module 3
25. What type of communication will send a message to all devices on a local area network?
Broadcast
Multicast
Unicast
Allcast
26. In computer communication, what is the purpose of message encoding?
To convert information to the appropriate form for transmission
To interpret information
To break large messages into smaller frames
To negotiate correct timing for successful communication
27. Which message delivery option is used when all devices need to receive the same message simultaneously?
Duplex
Unicast
Multicast
Broadcast
28. What is the purpose of protocols in data communications?
Specifying the bandwidth of the channel or medium for each type of communication
Specifying the device operating systems that will support the communication
Providing the rules required for a specific type of communication to occur
Dictating the content of the message sent during communication
29. Which logical address is used for delivery of data to a remote network?
☐ Destination MAC address
Destination IP address
Destination port number
Source MAC address
Source IP address
30. What is the general term that is used to describe a piece of data at any layer of a networking model?
Frame
Packet
Protocol data unit
Segment
31. Which layer of the OSI model defines services to segment and reassemble data for individual communications between end devices?
Application
Presentation
Session
Transport
Network
32. Which type of communication will send a message to a group of host destinations simultaneously?
Broadcast
Multicast
Unicast
Anycast
33. What process is used to receive transmitted data and convert it into a readable message?
Access control
Decoding
Encapsulation
Flow control
34. What is done to an IP packet before it is transmitted over the physical medium?
It is tagged with information guaranteeing reliable delivery
It is segmented into smaller individual pieces
It is encapsulated into a TCP segment
It is encapsulated in a Layer 2 frame
35. What process is used to place one message inside another message for transfer from the source to the destination?
Acces control
Decoding
Encapsulation
Flow control
36. A web client is sending a request for a webpage to a web server. From the perspective of the client, what is the correct order of the protocol stack that is used to prepare the request for transmission?
HTTP, IP, TCP, Ethernet
HTTP, TCP, IP, Ethernet
Ethernet, TCP, IP, HTTP
Ethernet, IP, TCP, HTTP
Module 4
38. A network administrator is troubleshooting connectivity issues on a server. Using a tester, the administrator notices that the signals generated by the server NIC are distorted and not usable. In which layer of the OSI model is the error categorized?
Presentation layer
Network layer
Physical layer
Data link layer
39. What type of cable is used to connect a workstation serial port to a Cisco router console port?
Crossover
Rollover
Straight-through
Coaxial
40. Why are two strands of fiber used for a single fiber optic connection?
The two strands allow the data to travel for longer distances without degrading
They prevent crosstalk from causing interference on the connection
They increase the speed at which the data can travel
They allow for full-duplex connectivity
41. Which procedure is used to reduce the effect of crosstalk in copper cables?
Requiring proper grounding connections
Twisting opposing circuit wire pairs together
Wrapping the bundle of wires with metallic shielding
Designing a cable infrastructure to avoid crosstalk interference
Avoiding sharp bends during installation
42. What is one advantage of using fiber optic cabling rather than copper cabling?
It is usually cheaper than copper cabling
It is able to be installed around sharp bends
It is easier to terminate and install than copper cabling
It is able to carry signals much farther than copper cabling
43. A network administrator is designing a new network infrastructure that includes both wired and wireless connectivity. Under which situation would a wireless connection be recommended?
The end-user device only has an Ethernet NIC
The end-user device requires a dedicated connection because of performance requirements
The end-user device needs mobility when connecting to the network
The end-user device area has a high concentration of RFI
44. Which type of UTP cable is used to connect a PC to a switch port?
Console
Rollover
Crossover
Straight-through
45. What is the definition of bandwidth?
The speed of bits across the media over a given period of time
The speed at which bits travel on the network
The amount of data that can flow from one place to another in a given amount of time
The measure of usable data transferred over a given period of time
46. Which statement correctly describes frame encoding?
It uses the characteristic of one wave to modify another wave
It transmits data signals along with a clock signal which occurs at evenly spaced time durations
It generates the electrical, optical, or wireless signals that represent the binary numbers of the frame
It converts bits into a predefined code in order to provide a predictable pattern to help distinguish data bits from control bits
47. What is a characteristic of UTP cabling?
Cancellation
Cladding
Immunity to electrical hazards
Woven copper braid or metallic foil
48. A wireless LAN is being deployed inside the new one room office that is occupied by the park ranger. The office is located at the highest part of the national park. After network testing is complete, the technicians report that the wireless LAN signal is occasionally affected by some type of interference. What is a possible cause of the signal distortion?
The microwave oven
The large number of trees that surround the office
The elevated location where the wireless LAN was installed
The number of wireless devices that are used in the wireless LAN
49. What is the purpose of the OSI physical layer?
Controlling access to media
Transmitting bits across the local media
Performing error detection on received frames
Exchanging frames between nodes over physical network media
50. Which characteristic describes crosstalk?
The distortion of the network signal from fluorescent lighting
The distortion of the transmitted messages from signals carried in adjacent wires
The weakening of the network signal over long cable lengths
The loss of wireless signal over excessive distance from the access point
51. What is indicated by the term throughput?
The guaranteed data transfer rate offered by an ISP
The capacity of a particular medium to carry data
The measure of the usable data transferred across the media
The measure of the bits transferred across the media over a given period of time
The time it takes for a message to get from sender to receiver
52.Which standards organization oversees development of wireless LAN standards?
IANA
IEEE
ISO
TIA
Module 5
53. What is the binary representation for the decimal number 173?
10100111
10100101
10101101
10110101
54. Given the binary address of 11101100 00010001 00001100 00001010, which address does this represent in dotted decimal format?
234.17.10.9
234.16.12.10
236.17.12.6
236.17.12.10
55. How many binary bits exist within an IPv6 address?
32
48
64
128
256
56. What is the binary equivalent of the decimal number 232?
11101000
11000110
10011000
11110010
57. Which IPv4 address format was created for ease of use by people and is expressed as 201.192.1.14?
Binary
Dotted decimal
Hexadecimal
ASCII
58. What is the dotted decimal representation of the IPv4 address 11001011.00000000.01110001.11010011?
192.0.2.199
198.51.100.201
203.0.113.211
209.165.201.223
59. What is the decimal equivalent of the binary number 10010101?
149
157
168
192
60. What is the decimal equivalent of the hex number 0x3F?
63
77
87
93
61. What is the dotted decimal representation of the IPv4 address which is represented as the binary string 00001010.01100100.00010101.00000001?
10.100.21.1
10.10.20.1
100.10.11.1
100.21.10.1
62. What is the decimal equivalent of 0xC9?
185
200
201
199
63. Which is a valid hexadecimal number?
F
G
H
J
64. What is the binary representation of 0xCA?
10111010
11010101
11001010
11011010
65. How many bits are in an IPv4 address?
32
64
128
256
Module 6
66. What identifier is used at the data link layer to uniquely identify an Ethernet device?
IP address
MAC address
Sequence number
TCP port number
UDP port number
67. What attribute of a NIC would place it at the data link layer of the OSI model?
Attached Ethernet cable
IP address
MAC address
RJ-45 port
TCP/IP protocol stack
68. What is true concerning physical and logical topologies?
The logical topology is always the same as the physical topology
Physical topologies are concerned with how a network transfers frames
Physical topologies display the IP addressing scheme of each network
Logical topologies refer to how a network transfers data between devices
69. What method is used to manage contention-based access on a wireless network?
CSMA/CD
Priority ordering
CSMA/CA
Token passing
70. A technician has been asked to develop a physical topology for a network that provides a high level of redundancy. Which physical topology requires that every node is attached to every other node on the network?
Bus
Hierarchical
Mesh
Ring
Star
71. Which statement describes the half-duplex mode of data transmission?
Data that is transmitted over the network can only flow in one direction
Data that is transmitted over the network flows in one direction at a time
Data that is transmitted over the network flows in one direction to many different destinations simultaneously
Data that is transmitted over the network flows in both directions at the same time
72. Which is a function of the Logical Link Control (LLC) sublayer?
To define the media access processes that are performed by the hardware
To provide data link layer addressing
To identify which network layer protocol is being used
To accept segments and package them into data units that are called packets
73. Which data link layer media access control method does Ethernet use with legacy Ethernet hubs?
CSMA/CD
Determinism
Turn taking
Token passing
74. Which layer of the OSI model is responsible for specifying the encapsulation method used for specific types of media?
Application
Transport
Data link
Physical
75. What type of physical topology can be created by connecting all Ethernet cables to a central device?
Bus
Ring
Star
Mesh
76. Although CSMA/CD is still a feature of Ethernet, why is it no longer necessary?
The virtually unlimited availability of IPv6 addresses
The use of CSMA/CA
The use of full-duplex capable Layer 2 switches
The development of half-duplex switch operation
The use of Gigabit Ethernet speeds
Module 7
77. What statement describes a characteristic of MAC addresses?
They must be globally unique
They are only routable within the private network
They are added as part of a Layer 3 PDU
They have a 32-bit binary value
78. What is the special value assigned to the first 24 bits of a multicast MAC address transporting an IPv4 packet?
01-5E-00
FF-00-5E
FF-FF-FF
01-00-5E
79. What will a host on an Ethernet network do if it receives a frame with a unicast destination MAC address that does not match its own MAC address?
It will discard the frame
It will forward the frame to the next host
It will remove the frame from the media
It will strip off the data-link frame to check the destination IP address
80. Which network device makes forwarding decisions based on the destination MAC address that is contained in the frame?
Repeater
Hub
Switch
Router
81. Which network device has the primary function to send data to a specific destination based on the information found in the MAC address table?
Hub
Router
Switch
Modem
82. Which function or operation is performed by the LLC sublayer?
It performs data encapsulation
It communicates with upper protocol layers
It is responsible for media access control
It adds a header and trailer to a packet to form an OSI Layer 2 PDU
83. What happens to runt frames received by a Cisco Ethernet switch?
The frame is dropped
The frame is returned to the originating network device
The frame is broadcast to all other devices on the same network
The frame is sent to the default gateway
84. What addressing information is recorded by a switch to build its MAC address table?
The destination Layer 3 address of incoming packets
The destination Layer 2 address of outgoing frames
The source Layer 3 address of outgoing packets
The source Layer 2 address of incoming frames
85. What is auto-MDIX?
A type of Cisco switch
An Ethernet connector type
A feature to automatically determine speed and duplex
A feature that detects Ethernet cable type
86. What type of address is 01-00-5E-0A-00-02?
An address that reaches every host inside a local subnet
An address that reaches one specific host
An address that reaches every host in the network
An address that reaches a specific group of hosts
87. Which statement is true about MAC addresses?
MAC addresses are implemented by software
A NIC only needs a MAC address if connected to a WAN
The first three bytes are used by the vendor assigned OUI
The ISO is responsible for MAC addresses regulations
Module 8
88. Which command can be used on a Windows host to display the routing table?
netstat -s
show ip route
netstat -r
tracert
89. What information is added during encapsulation at OSI Layer 3?
Source and destination MAC
Source and destination application protocol
Source and destination port number
Source and destination IP address
90. How does the network layer use the MTU value?
The network layer depends on the higher level layers to determine the MTU
The network layer depends on the data link layer to set the MTU, and adjusts the speed of transmission to accommodate it
The MTU is passed to the network layer by the data link layer
To increase speed of delivery, the network layer ignores the MTU
91. Which characteristic describes an IPv6 enhancement over IPv4?
IPv6 addresses are based on 128-bit flat addressing as opposed to IPv4 which is based on 32-bit hierarchical addressing
The IPv6 header is simpler than the IPv4 header is, which improves packet handling
Both IPv4 and IPv6 support authentication, but only IPv6 supports privacy capabilities
The IPv6 address space is four times bigger than the IPv4 address space
92. Which statement accurately describes a characteristic of IPv4?
All IPv4 addresses are assignable to hosts
IPv4 has a 32-bit address space
An IPv4 header has fewer fields than an IPv6 header has
IPv4 natively supports IPsec
93. When a router receives a packet, what information must be examined in order for the packet to be forwarded to a remote destination?
Destination MAC address
Source IP address
Destination IP address
Source MAC address
94. A computer has to send a packet to a destination host in the same LAN. How will the packet be sent?
The packet will be sent to the default gateway first, and then, depending on the response from the gateway, it may be sent to the destination host
The packet will be sent directly to the destination host
The packet will first be sent to the default gateway, and then from the default gateway it will be sent directly to the destination host
The packet will be sent only to the default gateway
95. Which IPv4 address can a host use to ping the loopback interface?
126.0.0.1
127.0.0.0
126.0.0.0
127.0.0.1
96. When a connectionless protocol is in use at a lower layer of the OSI model, how is missing data detected and retransmitted if necessary?
Connectionless acknowledgements are used to request retransmission
Upper-layer connection-oriented protocols keep track of the data received and can request retransmission from the upper-level protocols on the sending host
Network layer IP protocols manage the communication sessions if connection-oriented transport services are not available
The best-effort delivery process guarantees that all packets that are sent are received
97. What was the reason for the creation and implementation of IPv6?
To make reading a 32-bit address easier
To relieve IPv4 address depletion
To provide more address space in the Internet Names Registry
To allow NAT support for private addressing
98. Which information is used by routers to forward a data packet toward its destination?
Source IP address
Destination IP address
Source data-link address
Destination data-link address
99. Which field in an IPv4 packet header will typically stay the same during its transmission?
Flag
Time-to-Live
Packet Length
Destination Address
100. Which field in an IPv6 packet is used by the router to determine if a packet has expired and should be dropped?
TTL
Hop Limit
Address Unreachable
No Route to Destination
Module 9
101. Which router component holds the routing table, ARP cache, and running configuration file?
RAM
Flash
NVRAM
ROM
102. What type of information is contained in an ARP table?
Switch ports associated with destination MAC addresses
Domain name to IPv4 address mappings
Routes to reach destination networks
IPv4 address to MAC address mappings
103. A PC is configured to obtain an IPv4 address automatically from network 192.168.1.0/24. The network administrator issues the arp -a command and notices an entry of 192.168.1.255 ff-ff-ff-ff-ff-ff. Which statement describes this entry?
A. This is a static map entry
B. This is a dynamic map entry
C. This entry refers to the PC itself
D. This entry maps to the default gateway
104. A cybersecurity analyst believes an attacker is spoofing the MAC address of the default gateway to perform a man-in-the-middle attack. Which command should the analyst use to view the MAC address a host is using to reach the default gateway?
ipconfig /all
route print
netstat -r
arp -a
105. What will a Layer 2 switch do when the destination MAC address of a received frame is not in the MAC table?
It initiates an ARP request
It broadcasts the frame out of all ports on the switch
It notifies the sending host that the frame cannot be delivered
It forwards the frame out of all ports except for the port at which the frame was received
106. How does the ARP process use an IPv4 address?
To determine the MAC address of the remote destination host
To determine the MAC address of a device on the same network
To determine the amount of time a packet takes when traveling from source to destination
To determine the network number based on the number of bits in the IPv4 address
107. What is one function of the ARP protocol?
Obtaining an IPv4 address automatically
Mapping a domain name to its IP address
Resolving an IPv4 address to a MAC address
Maintaining a table of domain names with their resolved IP addresses
108. Which action is taken by a Layer 2 switch when it receives a Layer 2 broadcast frame?
It drops the frame
It sends the frame to all ports except the port on which it received the frame
It sends the frame to all ports that are registered to forward broadcasts
It sends the frame to all ports
109. What addresses are mapped by ARP?
IPv4 address to a destination MAC address
Destination IPv4 address to the source MAC address
Destination IPv4 address to the destination host name
Destination MAC address to the source IPv4 address
110. When an IPv4 packet is sent to a host on a remote network, what information is provided by ARP?
The IPv4 address of the destination host
The IPv4 address of the default gateway
The MAC address of the router interface closest to the sending host
The MAC address of the switch port that connects to the sending host
111. The ARP table in a switch maps which two types of address together?
Layer 3 address to a Layer 2 address
Layer 3 address to a Layer 4 address
Layer 4 address to a Layer 2 address
Layer 2 address to a Layer 4 address
112. What is the purpose of ARP in an IPv4 network?
To forward data onward based on the destination IP address
To obtain a specific MAC address when an IP address is known
To forward data onward based on the destination MAC address
To build the MAC address table in a switch from the information that is gathered
113. Which destination address is used in an ARP request frame?
0.0.0.0
255.255.255.255
FFFF.FFFF.FFFF
127.0.0.1
01-00-5E-00-AA-23
Module 10
114. A router boots and enters setup mode. What is the reason for this?
The IOS image is corrupt
Cisco IOS is missing from flash memory
The configuration file is missing from NVRAM
The POST process has detected hardware failure
115. Which command is used to encrypt all passwords in a router configuration file?
Router_A (config) # enable secret <password>
Router_A (config) # service password-encryption
Router_A (config) # enable password <password>
Router_A (config) # encrypt password
116. Company policy requires using the most secure method to safeguard access to the privileged exec and configuration mode on the routers. The privileged exec password is trustknow1. Which of the following router commands achieves the goal of providing the highest level of security?
secret password trustknow1
enable password trustknow1
service password-encryption
enable secret trustknow1
117. What will be the response from the router after the command, "router(config)# hostname portsmouth" is entered?
portsmouth#
portsmouth(config)#
invalid input detected
router(config-host)#
hostname = portsmouth
118. An administrator is configuring a new router to permit out-of-band management access. Which set of commands will allow the required login using a password of cisco?
Router(config)# line vty 0 4
Router(config-line)# password manage
Router(config-line)# exit
Router(config)# enable password cisco
Router(config)# line vty 0 4
Router(config-line)# password cisco
Router(config-line)# login
Router(config)# line console 0
Router(config-line)# password cisco
Router(config-line)# login
Router(config)# line console 0
Router(config-line)# password cisco
Router(config-line)# exit
Router(config)# service password-encryption
119. Which command can be used on a Cisco router to display all interfaces, the IPv4 address assigned, and the current status?
show ip interface brief
ping
show ip route
show interface fa0/1
120. Which CLI mode allows users to access all device commands, such as those used for configuration, management, and troubleshooting?
User EXEC mode
Privileged EXEC mode
Global configuration mode
Interface configuration mode
121. What is the purpose of the startup configuration file on a Cisco router?
To facilitate the basic operation of the hardware components of a device
To contain the commands that are used to initially configure a router on startup
To contain the configuration commands that the router IOS is currently using
To provide a limited backup version of the IOS, in case the router cannot load the full featured IOS
122. Which characteristic describes the default gateway of a host computer?
The logical address of the router interface on the same network as the host computer
The physical address of the switch interface connected to the host computer
The physical address of the router interface on the same network as the host computer
The logical address assigned to the switch interface connected to the router
123. What is the purpose of the banner motd command?
It configures a message that will identify printed documents to LAN users
It is a way that routers communicate the status of their links with one another
It provides an easy way of communicating with any user attached to a router's LANs
It provides a way to make announcements to those who log in to a router
124. A technician is configuring a router to allow for all forms of management access. As part of each different type of access, the technician is trying to type the command login. Which configuration mode should be entered to do this task?
User executive mode
Global configuration mode
Any line configuration mode
Privileged EXEC mode
125. What is stored in the NVRAM of a Cisco router?
The Cisco IOS
The running configuration
The bootup instructions
The startup configuration
126. Which statement regarding the service password-encryption command is true?
It is configured in privileged EXEC mode
It encrypts only line mode passwords
As soon as the service password-encryption command is entered, all currently set passwords formerly displayed in plain text are encrypted
To see the passwords encrypted by the service password-encryption command in plain text, issue the no service password-encryption command
Module 11
127. What is the prefix length notation for the subnet mask 255.255.255.224?
/25
/26
/27
/28
128. How many valid host addresses are available on an IPv4 subnet that is configured with a /26 mask?
254
190
192
62
64
129. A network administrator subnets the 192.168.10.0/24 network into subnets with /26 masks. How many equal-sized subnets are created?
1
2
4
8
16
130. What subnet mask is represented by the slash notation /20?
255.255.255.248
255.255.224.0
255.255.240.0
255.255.255.0
255.255.255.192
131. Which statement is true about variable-length subnet masking?
Each subnet is the same size
The size of each subnet may be different, depending on requirements
Subnets may only be subnetted one additional time
Bits are returned, rather than borrowed, to create additional subnets
132. Why does a Layer 3 device perform the ANDing process on a destination IP address and subnet mask?
To identify the broadcast address of the destination network
To identify the host address of the destination host
o identify faulty frames
To identify the network address of the destination network
133. How many usable IP addresses are available on the 192.168.1.0/27 network?
256
254
62
30
16
134. Which subnet mask would be used if exactly 4 host bits are available?
255.255.255.224
255.255.255.128
255.255.255.240
255.255.255.248
135. If a network device has a mask of /26, how many IP addresses are available for hosts on this network?
64
30
62
32
16
136. What does the IP address 172.17.4.250/24 represent?
Network address
Multicast address
Host address
Broadcast address
137. If a network device has a mask of /28, how many IP addresses are available for hosts on this network?
256
254
62
32
14
138. What is the purpose of the subnet mask in conjunction with an IP address?
To uniquely identify a host on a network
To identify whether the address is public or private
To determine the subnet to which the host belongs
To mask the IP address to outsiders
139. A network administrator is variably subnetting a network. The smallest subnet has a mask of 255.255.255.224. How many usable host addresses will this subnet provide?
2
6
14
30
62
