Wednesday, May 28, 2014

A new series of Cisco base networking questions for 2014 - part 6

Lets get to thinking with a random selection of Networking / IT based questions and answers :-)








1. When each network segment uses a different subnet mask this is referred to as...

A) Classful routing
B) Classless routing


2. What is the structure of the MAC address?

A) 32 bit network ID + 32 bit host ID
B) 14 bit vendor code + 6 bit serial number
C) 24 bit vendor code + 24 bit serial number
D) Network + Host

3. Which WAN protocol is capable of carrying video, Circuit Switched Data And Telephone Services using normal phone network?

A) Frame Relay
B) ISDN
C) PPP
D) ISL


4. What do the IOS commands below achieve?

Router(config)#access-list 5 permit 172.5.15.2
Router(config)#line vty 0 4
Router(config-line)#access-class 5 in

 A) Create an extended ACL to only permit host 172.5.15.2 to connect to VTY
B) Create a standard ACL to only permit host 172.5.15.2 to connect to VTY
C) Create an extended ACL to only permit hosts on the network 172.5.15.2 to connect to VTY
D) Create a standard ACL to only permit hosts on the network 172.5.15.2 to connect to VTY


5. What OSI layer does the following refer to?

"Establishes availability of intended communication partners, establishes agreement on procedures regarding error recovery and data integrity and synchronizes networked applications"

A) Transport layer
B) Session layer
C) Datalink layer
D) Application layer
E) Presentation layer


6. IGRP advertises routes to interior, system and exterior routes

A) True
B) False





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1. Correct Answer B

http://en.wikipedia.org/wiki/Classful_network


2. Correct Answer C

MAC Addresses are 48 bits long and consist of a 24 bit vendor code and a 24 bit serial number.


3. Correct Answer B

ISDN (Integrated Services Digital Network) is a set of standards for simultaneous digital communications (voice, video, data) over the traditional circuits of the public switched telephone network.


4. Correct Answer B

Router(config)#access-list 5 permit 172.5.15.2
Router(config)#line vty 0 4
Router(config-line)#access-class 5 in


This standard access list permits only the host 172.5.15.2 to connect to your VTY telnet line.


5. Correct Answer D

The Application layer of the OSI model (layer 7) establishes availability of intended communication partners, establishes agreement on procedures regarding error recovery and data integrity and synchronizes networked applications.


6. Correct Answer A

IGRP advertises three types of routes:

Interior routes are routes between subnets in the network attached to a router interface.
System routes are routes to networks within an autonomous system.
Exterior routes are routes to networks outside the autonomous system.


Let me know how you went, :-)

 "I couldn't wait for success so I started without it" 
Jonathan Winters