Interview Question

42- When IP confliction accord in subnet which IP assigned automatically and what it called?
169.254.x.x APIPA (Automatic Private Internet Protocol address)

43- What is the minimum and maximum request timer?

Minimum = 180 sec
Maximum = 300 Sec

44- Which company mange IP’s?
IANA (Internet Assigned Number of Authority)

45- Which classes are assignable?
A, B and C

46- How many potions of IP?
Two portions of IP. Network and host

47-Do we subletting of IP?
NO, we do subletting of NID

48- What is subnetting ?
Subnetting is tool reduce the wastage of IP

49- What is CIDR ?
Class Less Inter domain Routing Protocol – another name of Supernetting.

50- What is difference between FLSM and VLSM?
In FLSM subnet mask of all subnets will b same. But in
FLSM it varies.

CCNA Interview Question Part 1

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CCNA Interview Question Part 9

CCNA Interview Question Part 10

CCNA Interview Question Part 11

CCNA Interview Question Part 12

CCNA Interview Question Part 13

CCNA Interview Question Part 14

Interview Question of CCNA Part4

31- What is BIA ?

Burn in Address other name is MAC address

32- What is Size of IPv4 MAC Address?
48 Bits

33- Why MAC address called Physical address?
Because it’s not changeable

34- Who controls MAC address uniqueness and how
IEEE (Institute of Electrical Electronics and Engineering) Controls its uniqueness.
They divide 48 bits MAC address in two parts. First 24 bits part called OUI (Organizational unique identifier) and other 24 bits are device code.

35- How we can see MAC address from DOS Prompt?
ipconfig/all

36- Why IP address called logical address?
Private IP called logical address because they are change able.

37- What is the size of IPV4?
32 bits
38-What is Syntax of IPV4
. DOT

39- How many types of IPS?
Three Types of IP
1- Public
2- Private
3- Special IP

40- What are the ranges of private IPS?
A Class = 10.0.0.0 – 10.255.255.255
B Class = 172.16.0.0 – 172.31.255.255
C Class = 192.168.0.0 – 192.168.255.255

169.254.0.0 through 169.254.255.255 (APIPA only)

CCNA Interview Question Part 1

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CCNA Interview Question Part 7

CCNA Interview Question Part 8

CCNA Interview Question Part 9

CCNA Interview Question Part 10

CCNA Interview Question Part 11

CCNA Interview Question Part 12

CCNA Interview Question Part 13

CCNA Interview Question Part 14

Interview Question of CCNA part 3

21- What is OSI?

Open System Interconnection. t was first name of 7 Layer

22- What is the default size of Frame ?
1518 bytes

23- Which layer are called upper layer?
a ) Application Layer    – 7
b) Presentation Layer   – 6
c ) Session Layer            – 5

24- How many reserve ports ?
0 – 1023

25- Which decision called socket base?
IP plus port (IP on layer 3 and port on Layer 4 – In Encapsulation, socket base decision on Network Layer -Layer 3)

26- How many types of Data?
Voice, video, text

27 What is segmentation and fragmentation?

To divide data in pieces is called segmentation and divide segmentation in pieces called Fragmentation.

28- Which layer called error detection layer ?
Data link layer

29- What is FCS?
Frame Check Sequence –
CRC (Cyclic Redundancy Check) algorithm runs in switch that called FCS (Frame Check Sequence)

30- What is Encapsulation and De-encapsulation?
To send data called encapsulation and receive data called De-encapsulation.

CCNA Interview Question Part 1

CCNA Interview Question Part 2

CCNA Interview Question Part 3

CCNA Interview Question Part 4

CCNA Interview Question Part 5

CCNA Interview Question Part 6