IP Addressing

Question 31

Which of the following statements are true ? (a) The fragmentation fields in the base header section of IPv4 have moved to the fragmentation extension header in IPv6. (b) The authentication extension header is new in IPv6. (c) The record route option is not implemented in IPv6.

• (a) and (b) Only
• (b) and (c) Only
• (a) and (c) Only
• (a), (b) and (c)

Question 32

Range of IP Address from 224.0.0.0 to 239.255.255.255 are

• Reserved for loopback
• Reserved for broadcast
• Used for multicast packets
• Reserved for future addressing

Question 33

The network 198.78.41.0 is a

• Class A network
• Class B network
• Class C network
• Class D network

Question 34

What percentage(%) of the IPv4, IP address space do all class C addresses consume?

• 12.5%
• 25%
• 37.5%
• 50%

Question 35

The default subnet mask for a class B network can be

• 255.255.255.0
• 255.0.0.0
• 255.255.192.0
• 255.255.0.0

Question 36

Consider the following routing table at an IP router 

[caption width="800"] [/caption]

For each IP address in Group-I identify the correct choice of the next hop from Group-II using the entries from the routing table above.

   List-I               List-II
A. 128.96.171.92     1. Interface 0
B. 128.96.167.151    2. Interface 1
C. 128.96.163.121    3. R2
D. 128.96.165.121    4. R3
                     5. R4
Codes:
     A B C D
(a)  1 3 5 4
(b)  1 4 2 5
(c)  2 3 4 5
(d)  2 3 5 4

• a

• b

• c

• d

Question 37

In class B if subnet mask is 255.192.0.0 Total Number of networks than can be joined

• 32
• 64
• 16
• None of the Above

Question 38

If block contains 32 IP address which of the following is first address of the block ?

• 10.0.0.5

• 10.0.0.16

• 10.0.0.68

• 10.0.0.160

Question 39

Which of the following IP address can be used in WAN?

• 10.0.0.1
• 172.16.0.10
• 15.1.5.6
• None