CCNA 1 FINAL EXAM ALL QUESTIONS | COMPLETE PRACTICE QUESTIONS,
ANSWERS & STUDY GUIDE 2026/2027
Which communication tool allows real-time collaboration? - correct answer ✔✔instant
messaging
A host is accessing a Web server on a remote network. Which three functions are performed by
intermediary network devices during this conversation? (Choose three.) - correct answer
✔✔regenerating data signals
applying security settings to control the flow of data
notifying other devices when errors occur
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? - correct answer ✔✔DSL
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? - correct answer ✔✔WAN
Refer to the exhibit. From which location did this router load the IOS? - correct answer ✔✔flash
memory
Which connection provides a secure CLI session with encryption to a Cisco network device? -
correct answer ✔✔an SSH connection
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? - correct answer ✔✔The
administrator must first enter privileged EXEC mode before issuing the command.
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? - correct answer ✔✔to interrupt the
ping process
What function does pressing the Tab key have when entering a command in IOS? - correct
answer ✔✔It completes the remainder of a partially typed word in a command.
Refer to the exhibit. An administrator wants to change the name of a brand new switch, using
the hostname command as shown. What prompt will display after the command is issued?
Switch(config) # hostname My Switch - correct answer ✔✔Switch(config)#?
, Refer to the exhibit. A network administrator is configuring access control to switch SW1. If the
administrator uses Telnet to connect to the switch, which password is needed to access user
EXEC mode? - correct answer ✔✔linevtyin
After making configuration changes, a network administrator issues a copy running-config
startup-config command in a Cisco switch. What is the result of issuing this command? - correct
answer ✔✔The new configuration will be loaded if the switch is restarted.
Refer to the exhibit. Which action will be successful? - correct answer ✔✔PC2 can send a ping
to 192.168.1.1.
Which IPv4 address can be pinged to test the internal TCP/IP operation of a host? - correct
answer ✔✔127.0.0.1
What three application layer protocols are part of the TCP/IP protocol suite? (Choose three.) -
correct answer ✔✔DCHP
DNS
FTP
Which two protocols function at the internet layer? (Choose two.) - correct answer ✔✔ICMP
IP
Which publicly available resources describe protocols, processes, and technologies for the
Internet but do not give implementation details? - correct answer ✔✔Request for Comments
Which address on a PC does not change, even if the PC is moved to a different network? -
correct answer ✔✔MAC Address
What is the protocol that is used to discover a physical address from a known logical address
and what message type does it use? - correct answer ✔✔ARP, broadcast
What will happen if the default gateway address is incorrectly configured on a host? - correct
answer ✔✔The host cannot communicate with hosts in other networks.
What is an important function of the physical layer of the OSI model? - correct answer ✔✔It
encodes frames into electrical, optical, or radio wave signals.
Which procedure is used to reduce the effect of crosstalk in copper cables? - correct answer
✔✔twisting opposing circuit wire pairs together
ANSWERS & STUDY GUIDE 2026/2027
Which communication tool allows real-time collaboration? - correct answer ✔✔instant
messaging
A host is accessing a Web server on a remote network. Which three functions are performed by
intermediary network devices during this conversation? (Choose three.) - correct answer
✔✔regenerating data signals
applying security settings to control the flow of data
notifying other devices when errors occur
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? - correct answer ✔✔DSL
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? - correct answer ✔✔WAN
Refer to the exhibit. From which location did this router load the IOS? - correct answer ✔✔flash
memory
Which connection provides a secure CLI session with encryption to a Cisco network device? -
correct answer ✔✔an SSH connection
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? - correct answer ✔✔The
administrator must first enter privileged EXEC mode before issuing the command.
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? - correct answer ✔✔to interrupt the
ping process
What function does pressing the Tab key have when entering a command in IOS? - correct
answer ✔✔It completes the remainder of a partially typed word in a command.
Refer to the exhibit. An administrator wants to change the name of a brand new switch, using
the hostname command as shown. What prompt will display after the command is issued?
Switch(config) # hostname My Switch - correct answer ✔✔Switch(config)#?
, Refer to the exhibit. A network administrator is configuring access control to switch SW1. If the
administrator uses Telnet to connect to the switch, which password is needed to access user
EXEC mode? - correct answer ✔✔linevtyin
After making configuration changes, a network administrator issues a copy running-config
startup-config command in a Cisco switch. What is the result of issuing this command? - correct
answer ✔✔The new configuration will be loaded if the switch is restarted.
Refer to the exhibit. Which action will be successful? - correct answer ✔✔PC2 can send a ping
to 192.168.1.1.
Which IPv4 address can be pinged to test the internal TCP/IP operation of a host? - correct
answer ✔✔127.0.0.1
What three application layer protocols are part of the TCP/IP protocol suite? (Choose three.) -
correct answer ✔✔DCHP
DNS
FTP
Which two protocols function at the internet layer? (Choose two.) - correct answer ✔✔ICMP
IP
Which publicly available resources describe protocols, processes, and technologies for the
Internet but do not give implementation details? - correct answer ✔✔Request for Comments
Which address on a PC does not change, even if the PC is moved to a different network? -
correct answer ✔✔MAC Address
What is the protocol that is used to discover a physical address from a known logical address
and what message type does it use? - correct answer ✔✔ARP, broadcast
What will happen if the default gateway address is incorrectly configured on a host? - correct
answer ✔✔The host cannot communicate with hosts in other networks.
What is an important function of the physical layer of the OSI model? - correct answer ✔✔It
encodes frames into electrical, optical, or radio wave signals.
Which procedure is used to reduce the effect of crosstalk in copper cables? - correct answer
✔✔twisting opposing circuit wire pairs together