CCNA V7.0 CH 1 TO 7 MIDTERM EXAM PREP
QUESTIONS AND ANSWERS STUDY GUIDE
2026
◉ Which two OSI model layers have the same functionality as a
single layer of the TCP/IP model? Answer: *data link
*physical
◉ Which PDU format is used when bits are received from the
network medium by the NIC of a host? Answer: frame
◉ What process involves placing one PDU inside of another PDU?
Answer: encapsulation
◉ What term describes a computing model where server software
runs on dedicated computers? Answer: client/server
◉ An administrator is configuring a switch console port with a
password. In what order will the administrator travel through the
IOS modes of operation in order to reach the mode in which the
configuration commands will be entered? (Not all options are used.)
Answer: *First mode - User EXEC Mode.
*Second mode - Privileged EXEC mode.
, *Third mode - Global Configuration Mode.
*Final mode - Line Configuration Mode.
◉ What command will prevent all unencrypted passwords from
displaying in plain text in a configuration file? Answer: (config)#
service password-encryption
◉ Which command or key combination allows a user to return to the
previous level in the command hierarchy? Answer: exit
◉ A network administrator enters the service password-encryption
command into the configuration mode of a router. What does this
command accomplish? Answer: This command prevents someone
from viewing the running configuration passwords.
◉ Match the description with the associated IOS mode. (Not all
options are used.)
User EXEC Mode Answer: 1.Identified by a prompt ending with the #
character.
2.The first entrance into the CLI of an IOS device.
◉ Match the description with the associated IOS mode. (Not all
options are used.)
QUESTIONS AND ANSWERS STUDY GUIDE
2026
◉ Which two OSI model layers have the same functionality as a
single layer of the TCP/IP model? Answer: *data link
*physical
◉ Which PDU format is used when bits are received from the
network medium by the NIC of a host? Answer: frame
◉ What process involves placing one PDU inside of another PDU?
Answer: encapsulation
◉ What term describes a computing model where server software
runs on dedicated computers? Answer: client/server
◉ An administrator is configuring a switch console port with a
password. In what order will the administrator travel through the
IOS modes of operation in order to reach the mode in which the
configuration commands will be entered? (Not all options are used.)
Answer: *First mode - User EXEC Mode.
*Second mode - Privileged EXEC mode.
, *Third mode - Global Configuration Mode.
*Final mode - Line Configuration Mode.
◉ What command will prevent all unencrypted passwords from
displaying in plain text in a configuration file? Answer: (config)#
service password-encryption
◉ Which command or key combination allows a user to return to the
previous level in the command hierarchy? Answer: exit
◉ A network administrator enters the service password-encryption
command into the configuration mode of a router. What does this
command accomplish? Answer: This command prevents someone
from viewing the running configuration passwords.
◉ Match the description with the associated IOS mode. (Not all
options are used.)
User EXEC Mode Answer: 1.Identified by a prompt ending with the #
character.
2.The first entrance into the CLI of an IOS device.
◉ Match the description with the associated IOS mode. (Not all
options are used.)
