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Valencia Network + > Network + Chapt 3 Quiz > Flashcards

Network + Chapt 3 Quiz Flashcards

How data is transported over networks

1
Q

At which layer of the OSI model is the entire message referred to as the payload?

a. Network 

b. Application	
c. Transport	
d. Data Link
A

b. Application

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2
Q 
Which of the following is true about TCP?
 	a. It’s efficient for single– 
            packet messages	
	b. It’s connection– 
            oriented	
	c. It’s header contains a 
            total of four fields	
	d. The entire message is 
            called a datagram
A

b. It’s connection–

oriented

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3
Q

What is the transmission called used by TCP to request a connection?

a. SYN 

b. SEQ	
c. ACK	
d. REQ
A

a. SYN

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4
Q

Which field in a TCP segment determines how many bytes of data may be transferred before the sending computer must receive an acknowledgement from the receiving computer?

a. Header length 

b. Maximum segment size	
c. Sequence number	
d. Window size
A

d. Window size

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5
Q

What is the length of the Source address field in an IPv6 packet?

a. 32 bits 

b. 4 bytes	
c. 8 bytes	
d. 128 bits
A

d. 128 bits

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6
Q

Which TCP/IP protocol works with IPv4 to map MAC addresses to IPv4 address?

a. ARP 

b. UDP	
c. ICMP	
d. ICMP
A

a. ARP

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7
Q 
Which of the following is NOT a task typically performed by a router?
 	a. Build a table that 
            maps MAC addresses 
            to ports	
	b. Interpret Layer 3 
            addressing	
	c. Determine the best 
            path from point A to 
            point B	
	d. Connect dissimilar 
            networks
A

a. Build a table that
maps MAC addresses
to ports

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8
Q

Which type of router connects an autonomous system to an outside network?

a. Exterior routers 

b. Interior routers	
c. Hybrid routers	
d. Border routers
A

d. Border routers

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9
Q

What type of routing ensures that the routing table is updated when a router is added to the network?

a. Multilayer 

b. Default	
c. Dynamic	
d. Static
A

c. Dynamic

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10
Q

What command should you enter to see the routing table on a Cisco router?

a. route print 

b. show ip route	
c. routing /all	
d. net view routing
A

b. show ip route

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11
Q 
Which of the following is true about routing protocols?
 	a. OSPF if an exterior 
            gateway protocol	
	b. The lower the AD, the 
            higher the priority	
	c. RIP is a link–state 
            protocol	
	d. Convergence time is 
            the time it takes for a 
            router to reboot
A

b. The lower the AD, the

higher the priority

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12
Q

Which routing protocol uses a path vector algorithm?

a. BGP 

b. RIP	
c. IS–IS	
d. OSPF
A

a. BGP

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13
Q 
Which routing protocol algorithm enables each router to independently map the network to determine the best path and is used in IGPs?
 	a. Distance–vector	
	b. Link–state	
	c. Advanced distance– 
            vector	
	d. Path–vector
A

b. Link–state

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14
Q

Which routing protocol is an IGP, uses a link–state algorithm and is easy to adapt to IPv4?

a. IS–IS 

b. RIPv2	
c. OSPF	
d. BGP
A

a. IS–IS

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15
Q

Which troubleshooting tool should you use if you want to see details about TCP connections on a host?

a. netstat 

b. nbtstat	
c. tracert	
d. pathping
A

a. netstat

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16
Q

Which command displays the lmhosts file?

a. nslookup –n 

b. nbtstat –h	
c. nbtstat –n	
d. nslookup –h
A

c. nbtstat –n

17
Q

Which utility uses the TTL value of an IP packet to elicit responses from routers along the path to the destination?

a. netstat 

b. nslookup	
c. ping	
d. tracert
A

d. tracert

18
Q

What command should you usually use first when troubleshooting an interface error?

a. ping 

b. traceroute	
c. route	
d. nslookup
A

a. ping

19
Q 
What is the process by which routers learn about all of the devices on their network?
 	a. Echo reply	
	b. Maximum 
            transmission units	
	c. Static routing	
	d. Neighbor discovery
A

d. Neighbor discovery

20
Q 
What can happen if a message is too large for a network segment’s maximum transmission size?
 	a. A jumbo frame is 
         created	
	b. A missing IP route	
	c. An MTU black hole	
	d. A TTL exceeded 
           message
A

c. An MTU black hole

Valencia Network + (12 decks)

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