WorksheetsCCNA 1 (v.6) Final Exam Study Guide
Total questions: 70
Worksheet time: 14mins
What is the function of the shell in an OS?
It interfaces between the users and the GUI
It allows the OS to interact correctly with the hardware
It interfaces between the users and the application process
It interfaces between the users and the kernel
Which connection provides a secure CLI session with encryption to a Cisco switch?
an SSH connection
a TELNET connection
a CONSOLE connection
an SHH connection
a VLAN1 connection
An administrator uses the
"Ctrl-Shift-6" key combination on a switch after issuing the ping command. What is the purpose of using these keystrokes?
to interrupt the host-to-host connection process
to interrupt the ping process
to end the network connection
to interrupt the IOS process
What protocol is responsible for controlling the size of segments and the rate at which segments are exchanged between a web client and a web server?
UTP
TCP
DNS
DHCP
On which switch interface would an administrator configure an IP address so that the switch can be managed remotely?
VLAN 1
EXEC config mode
GLOBAL config mode
Line vty 0 15
Refer to the exhibit. If host A sends an IP packet to host B, what will the destination address be in the frame when it leaves host A?
BB:BB:BB:BB:BB:BB
DD:DD:DD:DD:DD:DD
CC:CC:CC:CC:CC:CC
172.168.10.99
AA:AA:AA:AA:AA:AA
What addresses are mapped by ARP?
destination IPv4 address to the destination host name
destination MAC address to a destination IPv4 address
destination IPv4 address to the source MAC address
destination MAC address to the source IPv4 address
What are two services provided by the OSI network layer (Choose two.)
encapsulating PDUs from the transport layer
performing error detection
collision detection
routing packets toward the destination
placement of frames on the media
What are two functions of NVRAM? (Choose two.)
to store the routing table
to retain contents when power is removed
to contain the running configuration file
to store the startup configuration file
to store the ARP table
Refer to the exhibit. What will be the result of entering this configuration the next time a network administrator connects a console cable to the router and no additional commands have been entered?
The administrator will be required to enter Cisco123
The administrator will be required to enter Cisco234
The administrator will be required to enter Cisco789
The administrator will be presented with the R1> prompt
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
What are three characteristics of multicast transmission? (Choose three.)
The source address of a multicast transmission is in the range of 224.0.0.0 to 224.0.0.255
A single packet can be sent to a group of hosts
Multicast transmission can be used by routers to exchange routing information
Routers will not forward multicast addresses in the range of 224.0.0.0 to 224.0.0.255
Multicast messages map lower layer addresses to upper layer addresses
What are the three ranges of IP addresses that are reserved for internal private use?
(Choose three.)
10.0.0.0/8
127.16.0.0/12
192.168.0.0/16
64.100.0.0/14
172.16.0.0/12
What purpose does NAT64 serve in IPv6?
It converts IPv6 packets into IPv4 packets
It translates private IPv6 addresses into public IPv6 addresses
It enables companies to use IPv6 unique local addresses in the network
It converts the 48-bit MAC address into a 64-bit host address that can be used for automatic host addressing
It converts regular IPv6 addresses into 64-bit addresses that can be used on the Internet
What is the most compressed representation of the IPv6 address 2001:0000:0000:abcd:0000:0000:0000:0001?
2001:0:abcd::1
2001:0:0:abcd::1
2001::abcd::1
2001:0000:abcd::1
2001::abcd:0:1
Which range of link-local addresses can be assigned to an IPv6-enabled interface?
FEC0::/10
FDEE::/7
FE80::/10
FF00::/8
How many valid host addresses are available on an IPv4 subnet that is configured with a /26 mask?
254
190
192
62
64
A site administrator has been told that a particular network at the site must accommodate 126 hosts. Which subnet mask would be used that contains the required number of host bits?
255.255.255.0
255.255.255.128
255.255.255.224
255.255.255.240
Which subnet would include the address 192.168.1.96 as a usable host address?
192.168.1.64/26
192.168.1.32/27
192.168.1.32/28
192.168.1.64/29
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
Which scenario describes a function provided by the transport layer?
A student is using a classroom VoIP phone to call home. The unique identifier burned into the phone is a transport layer address used to contact another network device on the same network
A student is playing a short web-based movie with sound. The movie and sound are encoded within the transport layer header
A student has two web browser windows open in order to access two web sites. The transport layer ensures the correct web page is delivered to the correct browser window
A corporate worker is accessing a web server located on a corporate network. The transport layer formats the screen so the web page appears properly no matter what device is being used to view the web site
A user opens three browsers on the same PC to access www.cisco.com to search for certification course information. The Cisco web server sends a datagram as a reply to the request from one of the web browsers.
Which information is used by the TCP/IP protocol stack in the PC to identify which of the three web browsers should receive the reply?
the destination IP address
the source port number
the source IP address
the destination port number
What are two ways that TCP uses the sequence numbers in a segment? (Choose two.)
to specify the order in which the segments travel from source to destination
to identify missing segments at the destination
to limit the number of segments that can be sent out of an interface at one time
to reassemble the segments at the remote location
to determine if the packet changed during transit
Which two tasks are functions of the presentation layer? (Choose two.)
compression
addressing
encryption
session control
authentication
What is a key characteristic of the peer-to-peer networking model?
wireless networking
resource sharing without a dedicated server
network printing using a print server
social networking without the Internet
A technician can ping the IP address of the web server of a remote company but cannot successfully ping the URL address of the same web server. Which software utility can the technician use to diagnose the
problem?
tracert
ipconfig
nslookup
netstat
Which domain name would be an example of a top-level domain?
cisco.com
www.cisco.com
.com
root.cisco.com
A PC obtains its IP address from a DHCP server. If the PC is taken off the network for repair, what happens to the IP address configuration?
The configuration is permanent and nothing changes
The address lease is automatically renewed until the PC is returned
The address is returned to the pool for reuse when the lease expires
The configuration is held by the server to be reissued when the PC is returned
A wireless host needs to request an IP address. What protocol would be used to process the request?
FTP
HTTP
DHCP
ICMP
SNMP
Which example of malicious code would be classified as a Trojan horse?
malware that was written to look like a video game
malware that requires manual user intervention to spread between systems
malware that attaches itself to a legitimate program and spreads to other programs when launched
malware that can automatically spread from one system to another by exploiting a vulnerability in the target
When applied to a router, which command would help mitigate brute-force password attacks against the router?
exec-timeout 30
service password-encryption
banner motd $Max failed logins = 5$
login block-for 60 attempts 5 within 60
A company is expanding its business to other countries. All branch
offices must remain connected to corporate headquarters at all times.
Which network technology is required to support this requirement?
LAN
MAN
WAN
WLAN
A home user is looking for an ISP connection that provides high speed digital transmission over regular phone lines. What ISP connection type should be used?
DSL
dial-up
satalite
cell modem
cable modem
How does quality of service help a network support a wide range of applications and services?
by limiting the impact of a network failure
by allowing quick recovery from network failures
by providing mechanisms to manage congested network traffic
by providing the ability for the network to grow to accommodate new users
On which switch interface would an administrator configure an IP address so that the switch can be managed remotely?
FastEthernet0/1
VLAN 1
vty 0
console 0
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
Refer to the exhibit. A network administrator is configuring access control to switch SW1. If the administrator has already logged into a Telnet session on the switch, which password is needed to access privileged EXEC mode?
letmein
secretin
lineconin
linevtyin
Which connection provides a secure CLI session with encryption to a Cisco switch?
a console connection
an AUX connection
a Telnet connection
an SSH connection
A network technician is attempting to configure an interface by entering the following command: SanJose(config)# ip address 192.168.2.1 255.255.255.0. The command is rejected by the device. What is the reason for this?
a console connection
an AUX connection
a Telnet connection
an SSH connection
A network technician is attempting to configure an interface by entering the following command: SanJose(config)# ip address 192.168.2.1 255.255.255.0. The command is rejected by the device. What is the reason for this?
The command is being entered from the wrong mode of operation
The command syntax is wrong
The subnet mask information is incorrect
The interface is shutdown and must be enabled before the switch will accept the IP address
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 exits configuration mode and returns to user EXEC mode
It moves the cursor to the beginning of the next line
It completes the remainder of a partially typed word in a command
What protocol is responsible for controlling the size of segments and the rate at which segments are exchanged between a web client and a web server?
TCP
IP
HTTP
Ethernet
What layer is responsible for routing messages through an internetwork in the TCP/IP model?
internet
transport
network access
session
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
Packets are sent from the network access layer to the transport layer
Segments are sent from the transport layer to the internet layer
Frames are sent from the network access layer to the internet layer
What unique address is embedded in an Ethernet NIC and used for communication on an Ethernet network?
host address
IP address
MAC address
network address
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
A network administrator is measuring the transfer of bits across the company backbone for a mission critical financial application. The administrator notices that the network throughput appears lower than the bandwidth expected. Which three factors could influence the differences in throughput? (Choose three.)
the amount of traffic that is currently crossing the network
the sophistication of the encapsulation method applied to the data
the type of traffic that is crossing the network
the latency that is created by the number of network devices that the data is crossing
the bandwidth of the WAN connection to the Internet
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
What is a characteristic of the LLC sublayer?
It provides the logical addressing required that identifies the device
It provides delimitation of data according to the physical signaling requirements of the medium
It places information in the frame allowing multiple Layer 3 protocols to use the same network interface and media
It defines software processes that provide services to the physical layer
What method is used to manage contention-based access on a wireless network?
CSMA/CD
priority ordering
CSMA/CA
token passing
During the encapsulation process, what occurs at the data link layer for a PC connected to an Ethernet network?
An IP address is added
The logical address is added
The physical address is added
The process port number is added
What are the three primary functions provided by Layer 2 data encapsulation?
(Choose three.)
error correction through a collision detection method
data link layer addressing
placement and removal of frames from the media
detection of errors through CRC calculations
delimiting groups of bits into frames
What are two characteristics of Ethernet MAC addresses? (Choose two.)
They are globally unique
They are routable on the Internet
They are expressed as 12 hexadecimal digits
MAC addresses use a flexible hierarchical structure
MAC addresses must be unique for both Ethernet and serial interfaces on a device
If a device receives an Ethernet frame of 60 bytes, what will it do?
drop the frame
process the frame as it is
send an error message to the sending device
add random data bytes to make it 64 bytes long and then forward it
What will a host on an Ethernet network do if it receives a frame with a 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
Under which two circumstances will a switch flood a frame out of every port except the port that the frame was received on? (Choose two.)
The frame has the broadcast address as the destination address
The destination address is unknown to the switch
The source address in the frame header is the broadcast address
The source address in the frame is a multicast address
The source address in the frame is a multicast address
Which switching method has the lowest level of latency?
cut-through
store-and-forward
fragment-free
fast-forward
Which two commands can be used on a Windows host to display the routing table? (Choose two.)
netstat -s
route print
show ip route
netstat -r
tracert
Which two functions are primary functions of a router? (Choose two.)
packet forwarding
microsegmentation
domain name resolution
path selection
flow control
What are the three ranges of IP addresses that are reserved for internal private use?
(Choose three.)
10.0.0.0/8
127.16.0.0/12
172.16.0.0/12
192.31.7.0/24
192.168.0.0/16
What purpose does NAT64 serve in IPv6?
It converts IPv6 packets into IPv4 packets
It translates private IPv6 addresses into public IPv6 addresses
It enables companies to use IPv6 unique local addresses in the network
It converts regular IPv6 addresses into 64-bit addresses that can be used on the Internet
It converts the 48-bit MAC address into a 64-bit host address that can be used for automatic host addressing
What is the binary representation of 0xCA?
10111010
11010101
11001010
11011010
At a minimum, which address is required on IPv6-enabled interfaces?
link-local
unique local
site local
global unicast
Which service provides dynamic global IPv6 addressing to end devices without using a server that keeps a record of available IPv6 addresses?
stateful DHCPv6
SLAAC
static IPv6 addressing
stateless DHCPv6
What is the purpose of the command ping ::1?
It tests the internal configuration of an IPv6 host
It tests the broadcast capability of all hosts on the subnet
It tests the multicast connectivity to all hosts on the subnet
It tests the reachability of the default gateway for the network
How many usable IP addresses are available on the 192.168.1.0/27 network?
256
62
30
16
32
Which subnet would include the address 192.168.1.96 as a usable host address?
192.168.1.64/26
192.168.1.32/27
192.168.1.32/28
192.168.1.64/29
A network administrator wants to have the same subnet mask for three
subnetworks at a small site. The site has the following networks and numbers of devices:
Subnetwork A: IP phones – 10 addresses
Subnetwork B: PCs – 8 addresses
Subnetwork C: Printers – 2 addresses
What single subnet mask would be appropriate to use for the three subnetworks?
255.255.255.0
255.255.255.240
255.255.255.248
255.255.255.252
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
What subnet mask is needed if an IPv4 network has 40 devices that need IP addresses and address space is not to be wasted?
255.255.255.0
255.255.255.128
255.255.255.192
255.255.255.224
255.255.255.240
