CCNA Interview Questions

 
1.
What is Routing?
2.
What is the purpose of the Data Link?
3.
What is the key advantage of using switches?
4.
When does network congestion occur?
5.
What is a Window in networking terms?
6.
Does a bridge divide a network into smaller segments?
7.
Which LAN switching method is used in CISCO Catalyst 5000?
8.
What is the role of the LLC sublayer?
9.
How does RIP differ from IGRP?
10.
What are the different memories used in a CISCO router?
11.
What is BootP?
12.
What is the function of the Application Layer in networking?
13.
Differentiate User Mode from Privileged Mode
14.
What is 100BaseFX?
15.
Differentiate full-duplex from half-duplex.
16.
What is MTU?
17.
How does cut-through LAN switching work?
18.
What is latency?
19.
Utilizing RIP, what is the limit when it comes to number of hops?
20.
What is a Frame Relay?
21.
How do you configure a Cisco router to route IPX?
22.
What are the different IPX access lists?
23.
Explain the benefits of VLANs.
24.
What is subnetting?
25.
What are the advantages of a layered model in the networking industry?
26.
Why is UDP lease favored when compared to TCP?
27.
What are some standards supported by the Presentation layer?
28.
What's the simplest way to remotely configure a router?
29.
What does the show protocol display?
30.
How do you depict an IP address?
31.
How do you go to privileged mode? How do you switch back to user mode?
32.
What is HDLC?
33.
How are internetworks created?
34.
What is Bandwidth?
35.
How does Hold-downs work?
36.
What are packets?
37.
What are segments?
38.
Give some benefits of LAN switching.
39.
What is Route Poisoning?
40.
How do you find valid hosts in a subnet?
41.
What is DLCI?
42.
Brielfly explain the conversion steps in data encapsulation.
43.
What are the different types of passwords used in securing a CISCO router?
44.
Why is network segmentation a good idea when managing a large network?
45.
What are the things that can be accessed in a CISCO router's identifying information?
46.
Differentiate Logical Topology from Physical Topology
47.
What causes a triggered update to reset the router hold-down timer?
48.
In configuring a router, what command must be used if you want to delete the configuration data that is stored in the NVRAM?
49.
Referring to the commands shown, what command must next be used on the branch router prior to traffic being sent to the router router?
50.
When configuring a router utilizing both physical and logical interfaces, what factor must be considered in determining the OSPF router ID?