CCNA/Cisco admin interview questions

CCNA/Cisco admin interview questions

You need to retrieve a file from the file server for your word processing application, which layer of the OSI model is responsible for this function?

Presentation layer
Application layer
Session layer
Transport layer
Datalink layer

You are working in a word processing program, which is run from the file server. Your data comes back to you in an unintelligible manner. Which layer of the OSI model would you investigate?

Application layer
Presentation layer
Session layer
Network layer
Datalink layer

The IEEE subdivided the datalink layer to provide for environments that need connectionless or connection-oriented services. What are the two layers called?

Physical
MAC
LLC
Session
IP

You are working with graphic translations. Which layer of the OSI model is responsible for code formatting and conversion and graphic standards.

Network layer
Session layer
Transport layer
Presentation layer

Which is the best definition of encapsulation?

Each layer of the OSI model uses encryption to put the PDU from the upper layer into its data field. It adds header and trailer information that is available to its counterpart on the system that will receive it.
Data always needs to be tunneled to its destination so encapsulation must be used.

Each layer of the OSI model uses compression to put the PDU from the upper layer into its data field. It adds header and trailer information that is available to its counterpart on the system that will receive it.
Each layer of the OSI model uses encapsulation to put the PDU from the upper layer into its data field. It adds header and trailer information that is available to its counterpart on the system that will receive it.

Routers can be configured using several sources. Select which of the following sources can be used.

Console Port
Virtual Terminals
TFTP Server
Floppy disk
Removable media

Which memory component on a Cisco router contains the dynamic system configuration?

ROM
NVRAM
Flash
RAM/DRAM

Which combination of keys will allow you to view the previous commands that you typed at the router?

ESC-P
Ctrl-P
Shift-P
Alt-P

Which commands will display the active configuration parameters?

show running-config
write term
show version
display term

You are configuring a router, which prompt tells you that you are in the privileged EXEC mode?

@
>
!
:
#

What does the command IP name-server 255.255.255.255? accomplish?

It disables domain name lookup.
It sets the domain name lookup to be a local broadcast.
This is an illegal command.
The command is now defunct and has been replaced by IP server-name ip any

The following selections show the command prompt and the configuration of the IP network mask. Which two are correct?

Router(config-if)#netmask-format { bitcount | decimal | hexadecimal }
Router#term IP netmask-format { bitcount | decimal | hexadecimal }
Router(config-if)#IP netmask-format { bitcount | decimal | hexadecimal }
Router#ip netmask-format { bitcount | decimal | hexadecimal }

Which layer is responsible for flow control with sliding windows and reliability with sequence numbers and acknowledgments?

Transport
Application
Internet
Network Interface

Which processes does TCP, but not UDP, use?

Windowing
Acknowledgements
Source Port
Destination Port

Select which protocols use distance vector routing?

OSPF
RIP
IGRP
PPP

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