QUESTION 1 An IP packet arrives at a router with destination IP address of 192.1
ID: 3677096 • Letter: Q
Question
QUESTION 1
An IP packet arrives at a router with destination IP address of 192.168.10.8. Which of the following outgoing route choices will the packet be sent on?
Send packets destined for network 192.168.0.0/16 out port 1.
Send packet destined for network 0.0.0.0/0 out port 2
Send packets destined for network 192.168.8.0/21 out port 3.
Send packets destined for network 192.168.10.0/28 out port 4.
QUESTION 2
What is the first assignable host address that could be used on the 10001000 subnet of 10.0.0.0 when borrowing 8 bits to subnet the address space?
10.128.1.0
00001010 10001000 10001000 00000001
10.136.0.254
00001010 10001000 00000000 00000001
10.0.128.1
00001010 00000000 10001000 00000001
QUESTION 3
Which one of the following is the most likely scenario for a 1400 Octet IPv4 Packet that needs to be sent across a link with an MTU of 1220 octets?
Divide the packet into three approximately equal sized fragments of 460 octets each (440 octets of data and 20 octets of header for each fragement).
Divide the packet into one 1220 octet fragment (1200 data octets and 20 octets of header) and one 200 octet fragment (180 octets of data and 20 octets of header).
Divide the packet into two equal sized fragments of 710 octets each (690 octets data and 20 octets of header each).
Discard the packet because it cannot be fragmented on an even boundary of 8 octets.
QUESTION 4
Place a check mark beside each item below that is TRUE. Do not mark items that are false.
de
Jitter is a measure of the variation of delay.
The destination IP address in an IP packet may be not be changed by a router.
There are 2^16 class B addresses.
hexidecimal
The padding field in an IP datagram, when used, is filled with zeros.
An ARP frame will have the value of 1 in the HARDWARE TYPE field when Ethernet is being used.
Routers store network addresses in their routing tables rather than host addresses.
IPv
Ethernet frames are self-identifying while IP Packets are not.
Send packets destined for network 192.168.0.0/16 out port 1.
Send packet destined for network 0.0.0.0/0 out port 2
Send packets destined for network 192.168.8.0/21 out port 3.
Send packets destined for network 192.168.10.0/28 out port 4.
Explanation / Answer
1-
Send packets destined for network 192.168.0.0/16 out port 1
2-
10.128.1.0
00001010 10001000 10001000 00000001
3-
Divide the packet into one 1220 octet fragment (1200 data octets and 20 octets of header) and one 200 octet fragment (180 octets of data and 20 octets of header).
Jitter is a measure of the variation of delay. - True
The destination IP address in an IP packet may be not be changed by a router. - TRUE
The padding field in an IP datagram, when used, is filled with zeros. - TRUE
An ARP frame will have the value of 1 in the HARDWARE TYPE field when Ethernet is being used. - TRUE
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