Networking Interview Questions & Answer with Explanation (Part-4)
1. 54. What valid host range is the IP address
172.25.22.55 255.255.255.224 a part of?
Answer: 172.25.22.33 -
172.25.22.62
2. 55. EIGRP use ------- types of packets to
communicate. What are these packets?
Ans: 5 Types of packets
a.
Hello
b.
Update
c.
Ack
d.
Query
e. Reply
Video Link of above questions
1. 56. What are the key fields of Hello packets those
have to match in OSPF?
|
Hello/dead interval Area ID Authentication DR IP BDR IP ** Peer to Peer Network: Hello interval – 10 Secs & Dead
Interval = 40 Secs ** NBMA – Non Broadcast Multi-access : Hello interval – 30 Secs & Dead Interval = 120 Secs |
Video Link of above question
57. What is encapsulation & de-capsulation?
|
Encapsulation : adds information to a packet as
it travels to its destination. Decapsulation : reverses the process
by removing the info, so a destination device can read the original data. |
|
VLAN : Physically one network but
logically more networks |
|
Uses: 1. Decreases the size of
broadcast domain by increasing number of broadcast domain 2. Management simplicity 3. Increase security 4. Minimize the cost |
1. 59. How many vlans are default in cisco switch? What
are these?
|
Number of VLANs = 5 These are : VLAN -1(Default VLAN) ,
1002, 1003, 1004, 1005 |
2. 60. What types of vlans are there in cisco switch?
|
Default
VLAN Data
VLAN Voice
VLAN Management
VLAN Native
VLAN |
6161. What is VTP? Write the name of mode of VTP?
VTP (VLAN Trunking Protocol) : It is a Cisco proprietary protocol used by Cisco switches to exchange VLAN information. With VTP, you can synchronize VLAN information (such as VLAN ID or VLAN name) with switches inside the same VTP domain. A VTP domain is a set of trunked switches with the matching VTP settings (the domain name, password and VTP version). All switches inside the same VTP domain share their VLAN information with each other. |
|
3 Modes: a. Server b. Transparent c. Client |
1. 62. Why we use Spanning Tree Protocol?
|
1.
Prevent Loop 2.
Prevent Duplicate Data 3.
Prevent MAC Address Instability |
1. 63. What is collision & broadcast domain? How
many CD & BD at below image?
|
Answer: The Collision domain is a network section
that allows traffic to flow forward and backward. A
Broadcast domain is a type of Domain wherein traffic flows all over the
network Number of Collision Domain = 6 Number of Broadcast Domain = 2 |
1. 64. What types of routing protocol are there &
mention their name.
3. 66. What is problem in the below image? Static
route is ok at there.
Comments
Post a Comment