Chapter 07 - Multiple Choice Quiz

1		The ________ protocol is the transmission mechanism used by the TCP/IP suite.
			A)	ARP
			B)	IP
			C)	RARP
			D)	None of the choices are correct
2		IP is _________ datagram protocol.
			A)	unreliable
			B)	connectionless
			C)	both unreliable and connectionless
			D)	None of the choices are correct
3		The term ________ means that IP provides no error checking or tracking. IP assumes the unreliability of the underlying layers and does its best to get a transmission through to its destination, but with no guarantees.
			A)	reliable delivery
			B)	connection-oriented delivery
			C)	best-effort delivery
			D)	None of the choices are correct
4		A best-effort delivery service such as IP includes _______.
			A)	error checking
			B)	error correction
			C)	datagram acknowledgment
			D)	None of the choices are correct
5		An HLEN value of decimal 10 means _______.
			A)	there are 10 bytes of options
			B)	there are 40 bytes of options
			C)	there are 40 bytes in the header
			D)	None of the choices are correct
6		If the fragment offset has a value of 100, it means that _______.
			A)	the datagram has not been fragmented
			B)	the datagram is 100 bytes in size
			C)	the first byte of the datagram is byte 800
			D)	None of the choices are correct
7		What is needed to determine the number of the last byte of a fragment?
			A)	offset number
			B)	total length
			C)	both offset number and the total length
			D)	None of the choices are correct
8		The IP header size _______.
			A)	is 20 to 60 bytes long
			B)	is 20 bytes long
			C)	is 60 bytes long
			D)	None of the choices are correct
9		Packets in the IP layer are called _________.
			A)	segments
			B)	datagrams
			C)	frames
			D)	None of the choices are correct
10		The total length field defines the total length of the datagram _________.
			A)	including the header
			B)	excluding the header
			C)	header and option length
			D)	None of the choices are correct
11		When a datagram is encapsulated in a frame, the total size of the datagram must be less than the _______.
			A)	MUT
			B)	MAT
			C)	MTU
			D)	None of the choices are correct
12		Which IP option is used if exactly four specific routers are to be visited by the datagram?
			A)	record route
			B)	strict source route
			C)	loose source route
			D)	None of the choices are correct
13		For the timestamp option, a flag value of _______ means that each visited router adds only the timestamp in the provided field.
			A)	0
			B)	1
			C)	2
			D)	None of the choices are correct
14		The IP header field formerly known as the service type field is now called the _______ field.
			A)	IETF
			B)	checksum
			C)	differentiated services
			D)	None of the choices are correct
15		The _______ module takes fragments of a message and puts them back in order.
			A)	processing
			B)	fragmentation
			C)	reassembly
			D)	None of the choices are correct
16		The _______ module sends out an IP packet, the next-hop address, and interface information.
			A)	processing
			B)	forwarding
			C)	fragmentation
			D)	None of the choices are correct
17		The _______ module discards datagrams with a TTL value of zero.
			A)	processing
			B)	forwarding
			C)	fragmentation
			D)	None of the choices are correct
18		The output of the _______ module is an IP packet destined for an upper-layer protocol.
			A)	processing
			B)	forwarding
			C)	reassembly
			D)	None of the choices are correct
19		The _______ module consults the MTU table to determine the packet size necessary for transmission.
			A)	processing
			B)	forwarding
			C)	fragmentation
			D)	None of the choices are correct
20		The value of the ________ subfield in an option controls the presence of the option in fragmentation.
			A)	copy
			B)	class
			C)	number
			D)	None of the choices are correct
21		The value of the ________ subfield defines the general purpose of an option.
			A)	copy
			B)	class
			C)	number
			D)	None of the choices are correct
22		The value of the ________ subfield defines the types of an option.
			A)	copy
			B)	class
			C)	number
			D)	None of the choices are correct
23		Only ______ end of option option can be used in a datagram.
			A)	two
			B)	three
			C)	one
			D)	None of the choices are correct
24		When we use IP over ATM, only the ________ cell carry(ies) the 8-byte trailer added to the IP datagram.
			A)	last
			B)	first
			C)	last and first
			D)	None of the choices are correct
25		When we use IP over ATM, padding can be added only to the _____ or the _______.
			A)	first cell; last cell
			B)	last two cells; last three cells
			C)	last cell; last two cells
			D)	None of the choices are correct
26		To find the physical address of the exiting-point router, ATM uses the services of _________.
			A)	ARP
			B)	IP
			C)	ATMARP
			D)	None of the choices are correct
27		The inverse request and inverse reply messages can bind the physical address to an IP address in a(n) _______ situation.
			A)	SVC
			B)	PVC
			C)	SVC and PVC
			D)	None of the choices are correct
28		The request and reply message can be used to bind a physical address to an IP address in a(n) _______ situation.
			A)	SVC
			B)	PVC
			C)	SVC and PVC
			D)	None of the choices are correct
29		__________ allows an ATM network to be divided into several logical subnets.
			A)	LAS
			B)	LAN
			C)	LIS
			D)	None of the choices are correct