Recent questions tagged ipv6

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Andrew S. Tanenbaum Edition 5th Exercise 6 Question 35 (Page No. 609)
To address the limitations of IP version 4, a major effort had to be undertaken via IETF that resulted in the design of IP version 6 and there are still is significant reluctance in the adoption of this new version. However, no such major effort is needed to address the limitations of TCP. Explain why this is the case.

asked Mar 18 in Computer Networks by ajaysoni1924 Boss (10.5k points) | 44 views

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1 answer

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Andrew S. Tanenbaum Edition 5th Exercise 5 Question 42 (Page No. 494)
When the IPv6 protocol is introduced, does the ARP protocol have to be changed? If so, are the changes conceptual or technical?

asked Mar 18 in Computer Networks by ajaysoni1924 Boss (10.5k points) | 28 views

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1 answer

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Andrew S. Tanenbaum Edition 5th Exercise 5 Question 41 (Page No. 494)
The Protocol field used in the IPv4 header is not present in the fixed IPv6 header. Why not?

asked Mar 18 in Computer Networks by ajaysoni1924 Boss (10.5k points) | 33 views

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Andrew S. Tanenbaum Edition 5th Exercise 5 Question 40 (Page No. 494)
IPv6 uses 16-byte addresses. If a block of 1 million addresses is allocated every picosecond, how long will the addresses last?

asked Mar 18 in Computer Networks by ajaysoni1924 Boss (10.5k points) | 34 views

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5

Zeal online test series
When we use ipv6 and ipv4 together with the help of tunneling. So if the source set the hop count so will tunnel decrement the hop count. And if tunnel decrement it so wheater it decrement at both start and end of tunnel. Suppose source set hop limit to 16 and there are 2 router and tunnel on the path. So what will be the hop count after received by receiver.

asked Jan 8 in Computer Networks by Ayan21 (79 points) | 34 views

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6

UPPCL
Consider the following IP header(hexadecimal format) from an IP packet received, in which the checksum is set to 0. “4500 003C 1C46 4000 4006 0000 AC10 0A63 AC10 0A0C”. What is the checksum value calculated at destination? E419 B1E6 E6B1 4E19

asked Dec 24, 2018 in Computer Networks by Satbir Boss (21.6k points) | 75 views

+1 vote

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Computer Network
In IPV6 what are the Headers i need to learn. And do i have to remember the fields present in Unicast, Multicast, Geography unicast addess?

asked Sep 20, 2018 in Computer Networks by abhishek1995_cse (111 points) | 47 views

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2 answers

8

MadeEasy Test Series: Computer Networks - Ipv6
Hi Guys, Could you please provide justification for the mentioned options ?

asked Jan 31, 2018 in Computer Networks by Chhotu Boss (13.3k points) | 198 views

+1 vote

0 answers

9

Hash Table and IPv6
Consider an initially empty hash table of length 10. Following set of keys are inserted using open addressing with hash function h(k) = kmod 10 and linear probing. The number of different insertion sequence of the key values using the given hash function and linear ... send the packet from source to destination with minimum number of hops. D) both b and c. I think it is B).

asked Jan 22, 2018 in Programming by Shubhanshu Boss (18.2k points) | 262 views

+1 vote

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computer network
we know that broadcasting is not possible in IPV6 then how flooding will be possible??

asked Jan 10, 2018 in Computer Networks by Ravi prakash pandey Junior (657 points) | 48 views

+2 votes

1 answer

11

MadeEasy Test Series: Computer Networks - Ipv6
Consider the following statements with respect to IPv6 : S1 : IPv6 packet has field for the header checksum. S2 : It has an explicit extension header for fragmentation. S3 : It has encrypted security payload (ESP) extension ... that integrity is provided by auth. extension header and confidentiality by ESP.But can ESP provides message integrity also?

asked Dec 29, 2017 in Computer Networks by rahul sharma 5 Boss (25.3k points) | 213 views

+2 votes

1 answer

12

IPV4 and IPV6
Plz explain the statements are True or False (1) IPV4 connectionless protocol (2) IPV6 connectionless protocol (3) IPV4 cannot guarantee delivery of packet and also not guarantee duplicate packets are avoided at receiver side (4) IPV6 cannot guarantee delivery of packet and also not guarantee duplicate packets are avoided at receiver side

asked Dec 7, 2017 in Computer Networks by srestha Veteran (117k points) | 459 views

+2 votes

2 answers

13

UGCNET-Nov2017-iii-30
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. (2) The authentication extension header is new in IPv6. (3) The record route option is not implemented in IPv6. Code: A. (a) and (b) Only B. (b) and (c) Only C. (a) and (c) Only D. (a), (b) and (c)

asked Nov 5, 2017 in Computer Networks by Arjun Veteran (424k points) | 641 views

+3 votes

1 answer

14

IPv6 header
No. of bits to represent (traffic class, flow label) in IPv6 header ?? in fourozan it is given as (4, 24) whereas in peterson and tennenbaum it is given as (8, 20)

asked Oct 5, 2017 in Computer Networks by joshi_nitish Boss (31.2k points) | 231 views

+1 vote

0 answers

15

IP v6 Flow label size
What is the size of flow label in IPV6 header? In forouzan it is 24 bits but in tanenbaum it is 20 bits.Please some confirm?

asked Aug 16, 2017 in Computer Networks by rahul sharma 5 Boss (25.3k points) | 129 views

0 votes

0 answers

16

ipv4 & ipv6

asked Jan 19, 2017 in Computer Networks by vaishali jhalani Active (4.7k points) | 288 views

+6 votes

2 answers

17

Fragmentation Ipv4-Ipv6
True or false - 1. In Ipv4 fragmentation can be done both at Source and intermediate routers. 2. In Ipv6 fragmentation can be done only at Source and not intermediate routers. 3. In both IPv6/4 reassembly is done only at the destination. 4. ... fragmentation done at the Source in Ipv4? Should the 1) be false since segmentation is done and hence fragmentation can be avoided?

asked Dec 31, 2016 in Computer Networks by yg92 Active (3.2k points) | 951 views

+6 votes

3 answers

18

ISRO-2013-42
IPv6 does not support which of the following addressing modes? Unicast addressing Multicast addressing Broadcast addressing Anycast addressing

asked Apr 27, 2016 in Computer Networks by makhdoom ghaya Boss (30.1k points) | 2.6k views

+16 votes

3 answers

19

What do you suggest to study for WiFi and IPv6?
Topics such as WiFi IPv6 are introduced for the first time in the revised syllabus for GATE. If there are people working in this area or are in proximity of the topics above, please suggest what are technically important areas among these technologies. Provide sources and references for them.

asked Nov 29, 2015 in Computer Networks by amarVashishth Boss (30.7k points) | 4.9k views

+5 votes

9 answers

20

IPv6

asked Nov 8, 2015 in Computer Networks by Shefali Junior (867 points) | 1.1k views

+3 votes

3 answers

21

IPv6 does not support which of the following addressing modes?
IPv6 does not support which of the following addressing modes? a)Unicast addressing b)Multicast addressing c)Broadcast addressing d)Anycast addressing

asked Sep 25, 2015 in Computer Networks by ajit Active (2.4k points) | 2.2k views

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