Answer / guest

Answer: A

The following are the fields in an IP segment,

their length, and their definitions:

VERS (Version number - 16 bits)

HLEN (Number of 32-bit words in the header - 4 bits)

Type of Server (How the datagram should be handled - 32 bits)

Total Length (Total length of header and data - 32 bits)

Identification (Provide fragmentation of datagrams to allow

different MTUs in the internet - 4 bits)

Flags (Provide fragmentation of datagrams to allow different

MTUs in the internet - 4 bits)

Frag Offset (Provide fragmentation of datagrams to allow

different MTUs in the internet - 6 bits)

TTL (Time-To-Live - 6 bits)

Protocol (Upperlayer protocol sending the datagram - 16 bits)

Header Checksum )Integrity check on the header - 16 bits)

Source IP Address (32 bits)

Destination IP Address (32 bits)

IP Options (network testing, debugging, security and others

- 4 bits)

Data (4 bits).

Identify 2 features of X.25? A.) Supports only IP B.) Utilizes switched and permanent virtual circuits C.) Contains minimal flow control and error recovery D.) Utilizes LAPB as it's data-link protocol

1 Answers  

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When a Distance Vector routing protocol detects that a connected network has gone down, it sends out a special routing update packet, telling all directly connected routers that the distance to the dead network is infinity. This is an example of which routing technology? A.) ICMP. B.) Only Link State routing protocols have this intelligence. C.) Triggered updates. D.) Garrison-4. E.) Split Horizon. F.) Poison Reverse.

1 Answers  

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Identify 3 feature of access-lists? A.) Implicit deny will deny any packets not matched B.) Processed sequentially from bottom to top C.) Processed sequentially from top to bottom D.) If a packet is denied it would be tested against the remaining statements in the access-list E.) Once a match is made the packet is either denied or permitted F.) Enabled on all interfaces by default

1 Answers  

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What does the command "IP name-server 255.255.255.255" accomplish? A. It sets the domain name lookup to be a local broadcast. B. This is an illegal command. C. It disables domain name lookup. D. The command is now defunct and has been replaced by "IP server-name ip any"

1 Answers   Cisco,

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What does a router do with a packet that it does not have a destination network for? A.) Sends it to the Serial port B.) Drops the packet C.) Sends it back out the same interface it received it in D.) Forwards the packet to the next hop

2 Answers  

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What is 10base5 ethernet lans?

0 Answers  

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What is the second best path name of eigrp?

0 Answers  

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Which layer of the 7 layer model is responsible for representing the application information between 2 different OS's? For example, converting ASCII to EBCIDIC. A.) Transport B.) Application C.) Physical D.) Session E.) Presentation F.) Network

2 Answers  

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What are the job opportunities i will get once i complete my CCNA certification.

2 Answers  

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What is the protocol number for TCP? A.) 80 B.) 21 C.) 11 D.) 6

1 Answers  

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which utility should use to test whether TCP/IP has been initialized on a system.friends plz post the answer with explaination..

3 Answers   Wipro,

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What is a vlan?

0 Answers  

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