Information Technology Reference
In-Depth Information
23.14.6
How are IP datagrams deleted from the network:
(a)
They are deleted when the time-to-live field becomes zero.
(b)
They are never deleted, and will always be delivered.
(c)
They are buffered on intermediate systems, and then deleted after
a given time.
(d)
They are returned to the originator if they are not deleted, and the
originator either resends them or deletes them.
23.14.7
Which of the following is a Class A IP address:
(a)
12.1.14.12
(b)
146.176.151.130
(c)
194.50.100.1
(d)
224.50.50.1
23.14.8
Which of the following is a Class D IP address:
(a)
12.1.14.12
(b)
146.176.151.130
(c)
194.50.100.1
(d)
224.50.50.1
23.14.9
What are Class D IP addresses used for:
(a)
Dynamic IP addressing
(b) Testing networks
(c)
Static IP addressing
(d) Multicasting
23.14.10
Which of the following is the country domain for Germany:
(a)
ge
(b)
de
(c)
dr
(d) gy
23.14.11
Which service allows hosts to determine the IP address for a given domain name:
(a)
TCP
(b)
ICMP
(c)
ARP
(d)
DNS
23.14.12
Which protocol is used by a node to determine the Ethernet address to a host with
a given IP address:
(a)
TCP
(b)
ICMP
(c)
ARP
(d)
DNS
23.14.13
Which Ethernet address is used for broadcast messages:
(a)
FF-FF-FF-FF-FF-FF
(b)
11-11-11-11-11-11-11
(c)
00-00-00-00-00-00
(d)
AA-AA-AA-AA-AA-AA
23.14.14
Outline how ARP uses the broadcast address and the type field to identify that an
ARP request is being transmitted. Also, discuss a typical ARP conversation.
23.14.15
Outline how the protocol is identified in the IP header. Discuss how the format of
the data after the header differs with different protocols (such as TCP and ICMP).
