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WorksheetsCCNA 1a Midterm
Total questions: 157
Worksheet time: 6hrs 53mins
Which of the following is is designed to be accessible only by the organization's members, employees, or others with authorization?
Internet
Extranet
Intranet
These attacks slow or crash applications and processes on a network device.
Threat actor attacks
Trojan horses
Denial of service attacks
Spyware
Which of the following defines redundancy?
A network able to expand quickly to support new users and applications.
The ability of a router to prioritize the flow voice traffic.
Multiple paths to a destination.
The number of bits that can be transmitted in a single second.
Which of the following is a cloud-based application intended to be used only by a specific organization, such as the government?
Public cloud
Private cloud
Community cloud
Hybrid cloud
LANs provide network infrastructure over large geographical areas.
True
False
In a converged network data, voice, and video are delivered over the same network infrastructure.
True
False
assures users of timely and reliable access to data services
confidentiality
integrity
availability
assures users that the information has not been altered in transmission
confidentiality
integrity
availability
only the intended and authorized recipients can access and read data
confidentiality
integrity
availability
identify fast-spreading threats, such as zero-day or zero-hour attacks
Antivirus
Firewall filtering
Access control lists (ACL)
Intrusion prevention systems (IPS)
Virtual private networks (VPN)
filter access and traffic forwarding based on IP addresses and applications
Antivirus
Firewall filtering
Access control lists (ACL)
Intrusion prevention systems (IPS)
Virtual private networks (VPN)
provide secure access into an organization for remote workers
Antivirus
Firewall filtering
Access control lists (ACL)
Intrusion prevention systems (IPS)
Virtual private networks (VPN)
blocks unauthorized access into and out of the network
Antivirus
Firewall filtering
Access control lists (ACL)
Intrusion prevention systems (IPS)
Virtual private networks (VPN)
protect end devices from becoming infected with malicious software
Antivirus
Firewall filtering
Access control lists (ACL)
Intrusion prevention systems (IPS)
Virtual private networks (VPN)
Which access method would be used to do the initial configuration on a new switch?
Aux
Web login
Telnet/SSH
Console
Which access method would be most appropriate if your manager gave you a special cable and told you to use it to configure the switch?
Console
Telnet/SSH
Aux
Which access method would be the most appropriate in-band access to the IOS over a network connection?
Console
Telnet/SSH
Aux
Which access method would be the most appropriate if you call your manager to tell him you cannot access your router in another city over the internet and he provides you with the information to access the router through a telephone connection?
Console
Telnet/SSH
Aux
Which IOS mode are you in if the prompt displayed on a switch is Switch(config)#?
user EXEC mode
privileged EXEC mode
interface subconfiguration mode
global configuration mode
IPv4 addresses are 128 bits in length and written as a string of hexadecimal values.
True
False
What is the structure of an IPv4 address called?
dotted-binary format
dotted-decimal format
dotted hexadecimal format
Pressing the Space bar at the --More-- prompt displays the next screen.
True
False
DHCP is used when manual IP addressing is required.
True
False
The running-config is stored in NVRAM.
True
False
A switch virtual interface (SVI) is created in software and has no physical port associated with it.
True
False
Commands and keywords can be shortened to the minimum number of characters that identify a unique selection.
True
False
Moves the cursor back one word to the left.
Tab
Ctrl+A
Ctrl+E
Up Arrow or Ctrl+P
Esc B
Recalls the previous command in the history buffer, beginning with the most recent command.
Tab
Ctrl+A
Ctrl+E
Up Arrow or Ctrl+P
Esc B
Moves the cursor to the end of command line.
Tab
Ctrl+A
Ctrl+E
Up Arrow or Ctrl+P
Esc B
Completes a partial command name entry.
Tab
Ctrl+A
Ctrl+E
Up Arrow or Ctrl+P
Esc B
Moves the cursor to the beginning of the line.
Tab
Ctrl+A
Ctrl+E
Up Arrow or Ctrl+P
Esc B
assigns the device name
hostname
enable secret class
login
service password-encryption
banner motd
secures access to privileged EXEC mode
hostname
enable secret class
login
service password-encryption
banner motd
enables password authentication for user EXEC mode
hostname
enable secret class
login
service password-encryption
banner motd
displays a message upon login
hostname
enable secret class
login
service password-encryption
banner motd
encrypts all plaintext passwords
hostname
enable secret class
login
service password-encryption
banner motd
What appropriate layer of the TCP/IP model: IPv4
Application Layer
Transport Layer
Internet Layer
Network Access Layer
What appropriate layer of the TCP/IP model: Ethernet
Application Layer
Transport Layer
Internet Layer
Network Access Layer
What appropriate layer of the TCP/IP model: HTTP
Application Layer
Transport Layer
Internet Layer
Network Access Layer
What appropriate layer of the TCP/IP model: UDP
Application Layer
Transport Layer
Internet Layer
Network Access Layer
The process used by a receiving device to remove one or more of the protocol headers is encapsulation.
True
False
Data link layer addresses are logical and network layer addresses are physical.
True
False
Network layer addresses are either 32 or 128 bits in length.
True
False
OSI model in the appropriate order: Data Link
1
2
3
4
5
OSI model in the appropriate order: Physical
1
2
3
4
5
OSI model in the appropriate order: Transport
1
2
3
4
5
OSI model in the appropriate order: Network
1
2
3
4
5
OSI model in the appropriate order: Application
7
6
3
4
5
OSI model in the appropriate order: Presentation
7
6
3
4
5
OSI model in the appropriate order: Session
7
6
3
4
5
When two devices are on different IP networks what must happen for them to communicate?
The subnet masks of the two devices must match.
The devices must have the same network portion in the source and destination fields of the IP packet header
The frames must first be forwarded to a default gateway.
The data link address of the remote destination device must be added to the Ethernet frame header.
Which delivery method is used to transmit information to all devices on the network?
Broadcast
Unicast
Multicast
Which of the following PDU's is found at the physical layer?
Segment
Data
Packet
Frame
Bits
Which of the following uniquely labels each transmitted segment of data and allows the receiving device to reassemble the information correctly.
Reliability
Sequencing
Error Detection
Addressing
The transfer of bits across the network media over a period of time is known as throughput.
True
False
The physical layer receives packets from the data-link layer and converts them into frames for transmission.
True
False
Multimode fibre uses laser technology as the light source.
True
False
Wire colours for a T568A pinout
Green Stripe, Green Solid, Orange Stripe, Blue Solid, Blue Stripe, Orange Solid, Brown Stripe, Brown Solid
Orange Stripe, Orange Solid, Green Stripe, Blue Solid, Blue Stripe, Green Solid, Brown Stripe, Brown Solid
Which of the following devices will NOT interfere with the electromagnetic signals of wireless media?
Fluorescent Lights
Cordless Phone
Microwave Oven
Toaster
Which of the following connections would require a crossover cable?
Connecting to a router or switch console port.
To connect two hosts.
To connect a host to a switch.
To connect a switch to a router.
What cable is needed to connect to the a Cisco router console port?
straight-through
coaxial
crossover
rollover
This is a wireless personal area network (WPAN) standard.
Wi-Fi
WiMax
Zigbee
Bluetooth
media to the signal type: Light Pulses
Copper Cable
Fibre Optic Cable
Wireless Media
media to the signal type: Microwave Signals
Copper Cable
Fibre Optic Cable
Wireless Media
media to the signal type: Electrical Signals
Copper Cable
Fibre Optic Cable
Wireless Media
The letter E is a valid hexadecimal digit.
True
False
There are 16 hexadecimal digits in an IPv6 address.
True
False
The 1's and 0's used in the binary number system are known as bytes.
True
False
What is the hexadecimal equivalent of the decimal number 87?
2F
57
47
39
How many bits are in one hextet?
128
16
8
32
IPv6 and MAC addresses are represented by?
Binary
Decimal
Octal
Hexadecimal
Given the binary address of 10100101 01010111 11100110 00001101, which IPv4 address does this represent?
165.87.230.13
165.97.60.13
163.87.60.7
163.97.56.7
What is the decimal equivalent of the hexadecimal number 0x2A?
42
28
52
38
Each hexadecimal digit can be expanded to how many binary bits?
16
2
4
8
What is the binary representation for the decimal number 163?
10100011
10110011
11000011
10101011
27 = ?
128
255
127
256
What is the definition of the following term: positional notation
Looks like this: 65.87.230.4
Each digit in a sequence represents a different value.
Decimal
Hexadecimal
The number of digits in a positional number system.
What is the definition of the following term: dotted decimal notation
Looks like this: 65.87.230.4
Each digit in a sequence represents a different value.
Decimal
Hexadecimal
The number of digits in a positional number system.
What is the definition of the following term: base 10
A four hexadecimal character group.
Contains 8 bits.
Decimal
Hexadecimal
The number of digits in a positional number system.
What is the definition of the following term: base 16
A four hexadecimal character group.
Contains 8 bits.
Decimal
Hexadecimal
The number of digits in a positional number system.
What is the definition of the following term: radix
A four hexadecimal character group.
Contains 8 bits.
Decimal
Hexadecimal
The number of digits in a positional number system.
What is the definition of the following term: octet
A four hexadecimal character group.
Contains 8 bits.
Decimal
Hexadecimal
The number of digits in a positional number system.
What is the definition of the following term: hextet
A four hexadecimal character group.
Contains 8 bits.
Decimal
Hexadecimal
The number of digits in a positional number system.
Which PDU format is used when bits are received from the network medium by the NIC of a host?
frame
segment
file
packet
Refer to the exhibit. An administrator is trying to configure the switch but receives the error message that is displayed in the exhibit. What is the problem?
The administrator must connect via the console port to access global configuration mode.
The administrator is already in global configuration mode.
The administrator must first enter privileged EXEC mode before issuing the command.
The entire command, configure terminal , must be used.
Why would a Layer 2 switch need an IP address?
to enable the switch to receive frames from attached PCs
to enable the switch to be managed remotely
to enable the switch to function as a default gateway
to enable the switch to send broadcast frames to attached PCs
Which device performs the function of determining the path that messages should take through internetworks?
a DSL modem
a router
a firewall
a web server
A web client is receiving a response for a web page from a web server. From the perspective of the client, what is the correct order of the protocol stack that is used to decode the received transmission?
Ethernet, IP, TCP, HTTP
HTTP, TCP, IP, Ethernet
HTTP, Ethernet, IP, TCP
Ethernet, TCP, IP, HTTP
Which statement is correct about network protocols?
They define how messages are exchanged between the source and the destination.
Network protocols define the type of hardware that is used and how it is mounted in racks.
They are only required for exchange of messages between devices on remote networks.
They all function in the network access layer of TCP/IP.
Which two OSI model layers have the same functionality as a single layer of the TCP/IP model? (Choose two.)
data link
physical
session
transport
network
Which statement accurately describes a TCP/IP encapsulation process when a PC is sending data to the network?
Data is sent from the internet layer to the network access layer.
Frames are sent from the network access layer to the internet layer.
Segments are sent from the transport layer to the internet layer.
Packets are sent from the network access layer to the transport layer.
When IPv4 addressing is manually configured on a web server, which property of the IPv4 configuration identifies the network and host portion for an IPv4 address?
DNS server address
DHCP server address
default gateway
subnet mask
Refer to the exhibit. ServerB is attempting to contact HostA. Which two statements correctly identify the addressing that ServerB will generate in the process? (Choose two.)
ServerB will generate a packet with the destination IP address of RouterA.
ServerB will generate a packet with the destination IP address of HostA.
ServerB will generate a packet with the destination IP address of RouterB.
ServerB will generate a frame with the destination MAC address of RouterA.
ServerB will generate a frame with the destination MAC address of RouterB.
Which PDU format is used when bits are received from the network medium by the NIC of a host?
frame
segment
file
packet
What process involves placing one PDU inside of another PDU?
encoding
encapsulation
segmentation
flow control
What three application layer protocols are part of the TCP/IP protocol suite? (Choose three.)
DNS
ARP
PPP
DHCP
FTP
A user is implementing security on a small office network. Which two actions would provide the minimum security requirements for this network? (Choose two.)
adding a dedicated intrusion prevention device
installing antivirus software
implementing a firewall
implementing an intrusion detection system
Which statement describes the use of powerline networking technology?
Wireless access points use powerline adapters to distribute data through the home LAN.
New "smart" electrical cabling is used to extend an existing home LAN.
A device connects to an existing home LAN using an adapter and an existing electrical outlet.
A home LAN is installed without the use of physical cabling.
What two criteria are used to help select a network medium from various network media? (Choose two.)
the distance the selected medium can successfully carry a signal
the number of intermediate devices installed in the network
the environment where the selected medium is to be installed
the cost of the end devices utilized in the network
the types of data that need to be prioritized
How is SSH different from Telnet?
SSH provides security to remote sessions by encrypting messages and using user authentication. Telnet is considered insecure and sends messages in plaintext.
SSH must be configured over an active network connection, whereas Telnet is used to connect to a device from a console connection.
SSH makes connections over the network, whereas Telnet is for out-of-band access.
SSH requires the use of the PuTTY terminal emulation program. Tera Term must be used to connect to devices through the use of Telnet.
After making configuration changes on a Cisco switch, a network administrator issues a copy running-config startup-config command. What is the result of issuing this command?
The new configuration will be stored in flash memory.
The new configuration will be loaded if the switch is restarted.
The current IOS file will be replaced with the newly configured file.
The configuration changes will be removed and the original configuration will be restored.
Passwords can be used to restrict access to all or parts of the Cisco IOS. Select the modes and interfaces that can be protected with passwords. (Choose three.)
boot IOS mode
privileged EXEC mode
Ethernet interface
console interface
VTY interface
What command will prevent all unencrypted passwords from displaying in plain text in a configuration file?
(config)# enable secret Encrypted_Password
(config)# service password-encryption
(config)# enable secret Secret_Password
(config-line)# password secret
(config)# enable password secret
A network administrator enters the service password-encryption command into the configuration mode of a router. What does this command accomplish?
This command prevents someone from viewing the running configuration passwords.
This command enables a strong encryption algorithm for the enable secret password command.
This command automatically encrypts passwords in configuration files that are currently stored in NVRAM.
This command provides an exclusive encrypted password for external service personnel who are required to do router maintenance.
This command encrypts passwords as they are transmitted across serial WAN links.
Which interface allows remote management of a Layer 2 switch?
the first Ethernet port interface
the console port interface
the switch virtual interface
the AUX interface
What are three characteristics of an SVI? (Choose three.)
It is designed as a security protocol to protect switch ports.
It is not associated with any physical interface on a switch.
It is associated with VLAN1 by default.
It is required to allow connectivity by any device at any location.
It provides a means to remotely manage a switch.
While trying to solve a network issue, a technician made multiple changes to the current router configuration file. The changes did not solve the problem and were not saved. What action can the technician take to discard the changes and work with the file in NVRAM?
Close and reopen the terminal emulation software.
Issue the reload command without saving the running configuration.
Issue the copy startup-config running-config command.
Delete the vlan.dat file and reboot the device.
Which statement is true about the running configuration file in a Cisco IOS device?
It should be deleted using the erase running-config command.
It affects the operation of the device immediately when modified.
It is automatically saved when the router reboots.
It is stored in NVRAM.
Which two statements are true regarding the user EXEC mode? (Choose two.)
Only some aspects of the router configuration can be viewed.
The device prompt for this mode ends with the ">" symbol.
Global configuration mode can be accessed by entering the enable command.
All router commands are available.
Interfaces and routing protocols can be configured.
Which type of access is secured on a Cisco router or switch with the enable secret command?
virtual terminal
AUX port
privileged EXEC
console line
When a hostname is configured through the Cisco CLI, which three naming conventions are part of the guidelines? (Choose three.)
the hostname should begin with a letter
the hostname should contain no spaces
the hostname should be written in all lower case characters
the hostname should end with a special character
the hostname should be fewer than 64 characters in length
What is the function of the shell in an OS?
It provides dedicated firewall services.
It interfaces between the users and the kernel.
It interacts with the device hardware.
It provides the intrusion protection services for the device.
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 information in the startup configuration file to the running 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.
Copy the running configuration to the startup configuration file.
Reload the device and type yes when prompted to save the configuration.
Why would a technician enter the command copy startup-config running-config?
to make a changed configuration the new startup configuration
to save an active configuration to NVRAM
to copy an existing configuration into RAM
to remove all configurations from the switch
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
user EXEC mode
setup mode
privileged EXEC mode
In the show running-config command, which part of the syntax is represented by running-config ?
a variable
the command
a prompt
a keyword
What function does pressing the Tab key have when entering a command in IOS?
It aborts the current command and returns to configuration mode.
It completes the remainder of a partially typed word in a command.
It moves the cursor to the beginning of the next line.
It exits configuration mode and returns to user EXEC mode.
Which two host names follow the guidelines for naming conventions on Cisco IOS devices? (Choose two.)
SwBranch799
Floor(15)
HO Floor 17
RM-3-Switch-2A4
Branch2!
What command is used to verify the condition of the switch interfaces, including the status of the interfaces and a configured IP address?
show ip interface brief
ipconfig
traceroute
ping
At which OSI layer is data added to a PDU during the encapsulation process?
transport layer
application layer
data link layer
network layer
What term describes a type of network used by people who work from home or from a small remote office?
SOHO network
BYOD
converged network
QoS
Which of the following is the name for all computers connected to a network that participate directly in network communication?
hosts
servers
intermediary devices
media
When data is encoded as pulses of light, which media is being used to transmit the data?
wireless
fiber optic
copper
Which two devices are intermediary devices? (Choose two)
hosts
routers
servers
switches
How can the following be described: NIC
physically connects the end device to the network.
A connector or outlet on a networking device where the media connects to an end device or another networking device.
Specialized ports on a networking device that connect to individual networks. Because routers connect networks, the ports on a router are referred to as network interfaces.
How can the following be described: Physical port
physically connects the end device to the network.
A connector or outlet on a networking device where the media connects to an end device or another networking device.
Specialized ports on a networking device that connect to individual networks. Because routers connect networks, the ports on a router are referred to as network interfaces.
Which connections are specialized ports on a networking device that connect to individual networks?
Port
NIC
Interface
Which type of network topology lets you see which end devices are connected to which intermediary devices and what media is being used?
Physical
Logical
Which type of network topology lets you see the actual location of intermediary devices and cable installation?
Physical
Logical
Which network infrastructure provides access to users and end devices in a small geographical area, which is typically a network in a department in an enterprise, a home, or small business?
LAN
WAN
Intranet
Extranet
Which network infrastructure might an organization use to provide secure and safe access to individuals who work for a different organization but require access to the organization’s data?
LAN
WAN
Intranet
Extranet
Which network infrastructure provides access to other networks over a large geographical area, which is often owned and managed by a telecommunications service provider?
LAN
WAN
Intranet
Extranet
When designers follow accepted standards and protocols, which of the four basic characteristics of network architecture is achieved?
fault tolerance
Scalability
QoS
Security
Confidentiality, integrity, and availability are requirements of which of the four basic characteristics of network architecture?
fault tolerance
Scalability
QoS
Security
With which type of policy, a router can manage the flow of data and voice traffic, giving priority to voice communications if the network experiences congestion?
fault tolerance
Scalability
QoS
Security
Which feature is a good conferencing tool to use with others who are located elsewhere in your city, or even in another country?
BYOD
Video communications
Cloud computing
Which feature describes using personal tools to access information and communicate across a business or campus network?
BYOD
Video communications
Cloud computing
Which feature contains options such as Public, Private, Custom and Hybrid?
BYOD
Video communications
Cloud computing
Which feature is being used when connecting a device to the network using an electrical outlet?
Smart Home technology
Powerline
Wireless broadband
Which feature uses the same cellular technology as a smartphone?
Smart Home technology
Powerline
Wireless broadband
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?
spyware
zero day attack
DoS attack
Which term refers to a network that provides secure access to the corporate offices by suppliers, customers and collaborators?
intranet
extranet
internet
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?
BYOD
online collaboration
video conferencing
cloud computing
What is the process of converting information into the proper form for transmission?
Formatting
Encoding
Encapsulation
Which step of the communication process is concerned with properly identifying the address of the sender and receiver?
Formatting
Encoding
Encapsulation
Which three are components of message timing? (Choose three.)
Flow control
Sequence numbers
Access method
Retransmit time
Response Timeout
BGP and OSPF are examples of which type of protocol?
routing
service discovery
network communications
network security
Which services are provided by the internet layer of the TCP/IP protocol suite? (Choose three.)
File Transfer
Routing Protocols
Ethernet
Internet Protocol
Messaging
Which of the following statements are true regarding network layer and data link layer addresses? (Choose three.)
Data link layer addresses are logical and network layer addresses are physical.
Network layer addresses are expressed as 12 hexadecimal digits and data link layer addresses are decimal.
Network layer addresses are either 32 or 128 bits in length.
Data link layer addresses are physical and network layer addresses are logical.
Network layer addresses are logical and data link addresses are expressed as 12 hexadecimal digits.
What is the order of the two addresses in the data link frame?
source MAC, destination MAC
destination MAC, source IP
destination IP, source IP
destination MAC, source MAC
source IP, destination IP
Which of these is the name for the capacity of a medium to carry data?
bandwidth
throughput
goodput
Which of these is the name for the capacity of a medium to carry data?
bandwidth
throughput
goodput
Which of these is a measure of the transfer of bits across the media?
bandwidth
throughput
goodput
What is the following wireless standard: IEEE 802.11
Wi-Fi
Bluetooth
WiMAX
Zigbee
What is the following wireless standard: IEEE 802.15
Wi-Fi
Bluetooth
WiMAX
Zigbee
What is the following wireless standard: IEEE 802.15.4
Wi-Fi
Bluetooth
WiMAX
Zigbee
What is the following wireless standard: IEEE 802:16
Wi-Fi
Bluetooth
WiMAX
Zigbee
