ccna interview questions and answers

Part - 38 CCNA Interview Questions and Answers

196 Identify the 3 major functions at layer 3 of the OSI model?

A.) Forwarding process

B.) Logical addressing

C.) End-to-end connections

D.) Path selection

E.) MAC address examination

F.) Network monitoring

Ans A B D

Layer 3 determines the path, forwards the packet and implements software or logical addressing.

197 Identify the 2 rules used when configuring a Distance Vector routing protocol?

A.) Physically connected network(s)

B.) Configure the classful address, no subnets

C.) Enable CDP so neighbors can be detected

D.) Configure all networks in Area0

Ans A B

When configuring a Distance Vector routing protocol only assign the physically connected networks with the classful address only.

198 Identify 3 characteristics of an IP address?

A.) Contains a network portion and a host portion

B.) 32 bits long

C.) Unique to each network

D.) Part of the default Cisco configuration

E.) Referred to as the hardware address

Ans A B C

An IP address is 32 bits long, it is referred as the logical or software address. It contains a network and host portion. Each IP address is unique.

199 Identify 3 feature of access-lists?

A.) Implicit deny will deny any packets not matched

B.) Processed sequentially from bottom to top

C.) Processed sequentially from top to bottom

D.) If a packet is denied it would be tested against the remaining statements in the access-list

E.) Once a match is made the packet is either denied or permitted

F.) Enabled on all interfaces by default

Ans A C E

Access-list are processed from top to bottom, once a match occurs the packet is either denied or permitted and is no longer tested and if no match occurs the packet is denied via the implicit deny.

200 Which OSI layer performs code conversion, code formatting and encryption?

A.) Physical

B.) Data-Link

C.) Application

D.) Transport

E.) Presentation

F.) Network

Ans E

CCNA Interview Questions and Answers