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mod 11 > mod 11-13 > Flashcards

mod 11-13 Flashcards

1
Q

What is the prefix length notation for the subnet mask 255.255.255.224?

A

25
26
27
28

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2
Q

How many valid host addresses are available on an IPv4 subnet that is configured with a /26 mask?

A

254
190
192
62
64

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3
Q

Which subnet mask would be used if 5 host bits are available?

A

255.255.255.0
255.255.255.128
255.255.255.224​
255.255.255.240

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4
Q

A network administrator subnets the 192.168.10.0/24 network into subnets with /26 masks. How many equal-sized subnets are created?

A

1
2
4
8
16
64

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5
Q

An administrator wants to create four subnetworks from the network address 192.168.1.0/24. What is the network address and subnet mask of the second useable subnet?

A

subnetwork 192.168.1.64
subnet mask 255.255.255.192
subnetwork 192.168.1.32
subnet mask 255.255.255.240
subnetwork 192.168.1.64
subnet mask 255.255.255.240
subnetwork 192.168.1.128
subnet mask 255.255.255.192
subnetwork 192.168.1.8
subnet mask 255.255.255.224

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6
Q

How many bits must be borrowed from the host portion of an address to accommodate a router with five connected networks?

A

two
three
four
five

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7
Q

How many host addresses are available on the 192.168.10.128/26 network?

A

30
32
60
62
64

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8
Q

How many host addresses are available on the network 172.16.128.0 with a subnet mask of 255.255.252.0?

A

510
512
1022
1024
2046
2048

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9
Q

What three blocks of addresses are defined by RFC 1918 for private network use?

A

10.0.0.0/8
172.16.0.0/12
192.168.0.0/16
100.64.0.0/14
169.254.0.0/16
239.0.0.0/8

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10
Q

Refer to the exhibit. An administrator must send a message to everyone on the router A network. What is the broadcast address for network 172.16.16.0/22?

A

172.16.16.255
172.16.20.255
172.16.19.255
172.16.23.255
172.16.255.255

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11
Q

A site administrator has been told that a particular network at the site must accommodate 126 hosts. Which subnet mask would be used that contains the required number of host bits?

A

255.255.255.0
255.255.255.128
255.255.255.224
255.255.255.240

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12
Q

Refer to the exhibit. Considering the addresses already used and having to remain within the 10.16.10.0/24 network range, which subnet address could be assigned to the network containing 25 hosts?

A

10.16.10.160/26
10.16.10.128/28
10.16.10.64/27
10.16.10.224/26
10.16.10.240/27
10.16.10.240/28

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13
Q

What is the usable number of host IP addresses on a network that has a /26 mask?

A

256
254
64
62
32
16

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14
Q

Which address prefix range is reserved for IPv4 multicast?

A

240.0.0.0 – 254.255.255.255
224.0.0.0 – 239.255.255.255
169.254.0.0 – 169.254.255.255
127.0.0.0 – 127.255.255.255

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15
Q

A high school in New York (school A) is using videoconferencing technology to establish student interactions with another high school (school B) in Russia. The videoconferencing is conducted between two end devices through the Internet. The network administrator of school A configures the end device with the IP address 209.165.201.10. The administrator sends a request for the IP address for the end device in school B and the response is 192.168.25.10. Neither school is using a VPN. The administrator knows immediately that this IP will not work. Why?

A

This is a loopback address.
This is a link-local address.
This is a private IP address.
There is an IP address conflict.

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16
Q

Which three addresses are valid public addresses? (Choose three.)

A

198.133.219.17
192.168.1.245
10.15.250.5
128.107.12.117
172.31.1.25
64.104.78.227

17
Q

A message is sent to all hosts on a remote network. Which type of message is it?

A

limited broadcast
multicast
directed broadcast
unicast

18
Q

A company has a network address of 192.168.1.64 with a subnet mask of 255.255.255.192. The company wants to create two subnetworks that would contain 10 hosts and 18 hosts respectively. Which two networks would achieve that? (Choose two.)

A

192.168.1.16/28
192.168.1.64/27
192.168.1.128/27
192.168.1.96/28
192.168.1.192/28

19
Q

Which address is a valid IPv6 link-local unicast address?

A

FEC8:1::FFFF
FD80::1:1234
FE80::1:4545:6578:ABC1
FE0A::100:7788:998F
FC90:5678:4251:FFFF

20
Q

Which of these addresses is the shortest abbreviation for the IP address: 3FFE:1044:0000:0000:00AB:0000:0000:0057?

A

3FFE:1044::AB::57
3FFE:1044::00AB::0057
3FFE:1044:0:0:AB::57
3FFE:1044:0:0:00AB::0057
3FFE:1044:0000:0000:00AB::57
3FFE:1044:0000:0000:00AB::0057

mod 11 (1 decks)

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