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Networking > Module 11-13 Exam > Flashcards

Module 11-13 Exam Flashcards

1
Q

What is the prefix length notation for
the subnet mask 255.255.255.224?
* /25
* /26
* /27
* /28

A
  • /27
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2
Q

How many valid host addresses are
available on an IPv4 subnet that is
configured with a /26 mask?
* 254
* 190
* 192
* 62
* 64

A
  • 62
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3
Q

Which subnet mask would be used if 5
host bits are available?
* 255.255.255.0
* 255.255.255.128
* 255.255.255.224
* 255.255.255.240

A
  • 255.255.255.224
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4
Q

A network administrator subnets the
192.168.10.0/24 network into subnets
with /26 masks. How many equalsized subnets are created?
* 1
* 2
* 4
* 8
* 16
* 64

A
  • 4
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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?
* 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

A
  • subnetwork 192.168.1.64
    subnet mask 255.255.255.192
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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?
* two
* three
* four
* five

A
  • three
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7
Q

How many host addresses are
available on the 192.168.10.128/26
network?
* 30
* 32
* 60
* 62
* 64

A
  • 62
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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?
* 510
* 512
* 1022
* 1024
* 2046
* 2048

A
  • 1022
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9
Q

What three blocks of addresses are
defined by RFC 1918 for private
network use? (Choose three.)
* 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

A
  • 10.0.0.0/8
  • 172.16.0.0/12
  • 192.168.0.0/16
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10
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?
* 255.255.255.0
* 255.255.255.128
* 255.255.255.224
* 255.255.255.240

A
  • 255.255.255.128
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11
Q

What is the usable number of host IP
addresses on a network that has a /26
mask?
* 256
* 254
* 64
* 62
* 32
* 16

A
  • 62
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12
Q

Which address prefix range is reserved
for IPv4 multicast?
* 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

A
  • 224.0.0.0 – 239.255.255.255
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13
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?
* This is a loopback address.
* This is a link-local address.
* This is a private IP address.
* There is an IP address conflict.

A
  • This is a private IP address.
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14
Q

Which three addresses are valid
public addresses? (Choose three.)
* 198.133.219.17
* 192.168.1.245
* 10.15.250.5
* 128.107.12.117
* 172.31.1.25
* 64.104.78.227

A
  • 198.133.219.17
  • 128.107.12.117
  • 64.104.78.227
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15
Q

A message is sent to all hosts on a
remote network. Which type of
message is it?
* limited broadcast
* multicast
* directed broadcast
* unicast

A
  • directed broadcast
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16
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.)
* 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

A
  • 192.168.1.64/27
  • 192.168.1.96/28
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17
Q

.Which address is a valid IPv6 linklocal unicast address?
* FEC8:1::FFFF
* FD80::1:1234
* FE80::1:4545:6578:ABC1
* FE0A::100:7788:998F
* FC90:5678:4251:FFFF

A
  • FE80::1:4545:6578:ABC1
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18
Q

.Which of these addresses is the
shortest abbreviation for the IP
address:
3FFE:1044:0000:0000:00AB:0000:000
0:0057?
* 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

A
  • 3FFE:1044:0:0:AB::57
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19
Q

A network administrator has received
the IPv6 prefix 2001:DB8::/48 for
subnetting. Assuming the
administrator does not subnet into the
interface ID portion of the address
space, how many subnets can the
administrator create from the /48
prefix?
* 16
* 256
* 4096
* 65536

A
  • 65536
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20
Q

Given IPv6 address prefix
2001:db8::/48, what will be the last
subnet that is created if the subnet
prefix is changed to /52?
* 2001:db8:0:f00::/52
* 2001:db8:0:8000::/52
* 2001:db8:0:f::/52
* 2001:db8:0:f000::/52

A
  • 2001:db8:0:f000::/52
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21
Q

.Consider the following range of
addresses:
2001:0DB8:BC15:00A0:0000::
2001:0DB8:BC15:00A1:0000::
2001:0DB8:BC15:00A2:0000::
…
2001:0DB8:BC15:00AF:0000::
* The prefix-length for the range of
addresses is /60.

A
  • The prefix-length for the range of
    addresses is /60.
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22
Q

What type of IPv6 address is FE80::1?
* loopback
* link-local
* multicast
* global unicast

A
  • link-local
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23
Q

What is used in the EUI-64 process to
create an IPv6 interface ID on an IPv6
enabled interface?
* the MAC address of the IPv6
enabled interface
* a randomly generated 64-bit
hexadecimal address
* an IPv6 address that is provided by
a DHCPv6 server
* an IPv4 address that is configured
on the interface

A
  • the MAC address of the IPv6
    enabled interface
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24
Q

What is the prefix for the host address
2001:DB8:BC15:A:12AB::1/64?
* 2001:DB8:BC15
* 2001:DB8:BC15:A
* 2001:DB8:BC15:A:1
* 2001:DB8:BC15:A:12

A
  • 2001:DB8:BC15:A
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25
Q

An IPv6 enabled device sends a data
packet with the destination address of
FF02::1. What is the target of this
packet?
* the one IPv6 device on the link that
has been uniquely configured with
this address
* all IPv6 enabled devices on the
local link or network
* only IPv6 DHCP servers
* only IPv6 configured routers

A
  • all IPv6 enabled devices on the
    local link or network
26
Q

Which IPv6 prefix is reserved for
communication between devices on
the same link?
* FC00::/7
* 2001::/32
* FE80::/10
* FDFF::/7

A
  • FE80::/10
27
Q

Which type of IPv6 address refers to
any unicast address that is assigned
to multiple hosts?
* unique local
* global unicast
* link-local
* anycast

A
  • anycast
28
Q

What are two types of IPv6 unicast
addresses? (Choose two.)
* multicast
* loopback
* link-local
* anycast
* broadcast

A
  • loopback
  • link-local
29
Q

Which service provides dynamic
global IPv6 addressing to end devices
without using a server that keeps a
record of available IPv6 addresses?
* stateful DHCPv6
* SLAAC
* static IPv6 addressing
* stateless DHCPv6

A
  • SLAAC
30
Q

Which protocol supports Stateless
Address Autoconfiguration (SLAAC)
for dynamic assignment of IPv6
addresses to a host?
* ARPv6
* DHCPv6
* ICMPv6
* UDP

A
  • ICMPv6
31
Q

A technician uses the ping 127.0.0.1
command. What is the technician
testing?
* the TCP/IP stack on a network host
* connectivity between two adjacent
Cisco devices
* connectivity between a PC and the
default gateway
* connectivity between two PCs on
the same network
* physical connectivity of a
particular PC and the network

A
  • the TCP/IP stack on a network host
32
Q

Which protocol is used by the
traceroute command to send and
receive echo-requests and echoreplies?
* SNMP
* ICMP
* Telnet
* TCP

A
  • ICMP
33
Q

Which ICMPv6 message is sent when
the IPv6 hop limit field of a packet is
decremented to zero and the packet
cannot be forwarded?
* network unreachable
* time exceeded
* protocol unreachable
* port unreachable

A
  • time exceeded
33
Q

What is the purpose of ICMP
messages?
* to inform routers about network
topology changes
* to ensure the delivery of an IP
packet
* to provide feedback of IP packet
transmissions
* to monitor the process of a domain
name to IP address resolution

A
  • to provide feedback of IP packet
    transmissions
34
Q

A user executes a traceroute over
IPv6. At what point would a router in
the path to the destination device
drop the packet?
* when the value of the Hop Limit
field reaches 255
* when the value of the Hop Limit
field reaches zero
* when the router receives an ICMP
time exceeded message
* when the target host responds
with an ICMP echo reply message

A
  • when the value of the Hop Limit
    field reaches zero
35
Q

What source IP address does a router
use by default when the traceroute
command is issued?
* the highest configured IP address
on the router
* a loopback IP address
* the IP address of the outbound
interface
* the lowest configured IP address
on the router

A
  • the IP address of the outbound
    interface
36
Q

A user issues a ping 192.135.250.103
command and receives a response
that includes a code of 1. What does
this code represent?
* host unreachable
* protocol unreachable
* port unreachable
* network unreachable

A
  • host unreachable
37
Q

Which subnet would include the
address 192.168.1.96 as a usable host
address?
* 192.168.1.64/26
* 192.168.1.32/27
* 192.168.1.32/28
* 192.168.1.64/29

A
  • 192.168.1.64/26
38
Q

A host is transmitting a broadcast.
Which host or hosts will receive it?
* all hosts in the same subnet
* a specially defined group of hosts
* the closest neighbor on the same
network
* all hosts on the Internet

A
  • all hosts in the same subnet
39
Q

A host is transmitting a unicast. Which
host or hosts will receive it?
* one specific host
* a specially defined group of hosts
* all hosts on the Internet
* the closest neighbor on the same
network

A
  • one specific host
40
Q

A user issues a ping
2001:db8:FACE:39::10 command and
receives a response that includes a
code of 3. What does this code
represent?
* address unreachable
* network unreachable
* host unreachable
* protocol unreachable

A
  • address unreachable
41
Q

. A host is transmitting a multicast.
Which host or hosts will receive it?
* a specially defined group of hosts
* the closest neighbor on the same
network
* one specific host
* directly connected network
devices

A
  • a specially defined group of hosts
42
Q

Which is the compressed format of
the IPv6 address
2001:0db8:0000:0000:0000:a0b0:000
8:0001?
* 2001:db8::a0b0:8:1
* 2001:db8::ab8:1:0:1000
* 2001:db80:0:1::80:1
* 2001:db80:::1::80:1

A
  • 2001:db8::a0b0:8:1
43
Q

Which is the compressed format of
the IPv6 address
fe80:09ea:0000:2200:0000:0000:0fe0:
0290?
* fe80:9ea:0:2200::fe0:290
* fe80:9:20::b000:290
* fe80:9ea0::2020:0:bf:e0:9290
* fe80:9ea0::2020::bf:e0:9290

A
  • fe80:9ea:0:2200::fe0:290
44
Q

Which is the compressed format of
the IPv6 address
2002:0042:0010:c400:0000:0000:000
0:0909?
* 2002:42:10:c400::909
* 200:420:110:c4b::910:0:90
* 2002:4200::25:1090:0:99
* 2002:42::25:1090:0:99

A
  • 2002:42:10:c400::909
45
Q

Which is the compressed format of
the IPv6 address
2001:0db8:0000:0000:0ab8:0001:000
0:1000?
* 2001:db8::ab8:1:0:1000
* 2001:db8::a0b0:8:1
* 2001:db8:1::ab8:0:1
* 2001:db8:0:1::8:1

A
  • 2001:db8::ab8:1:0:1000
46
Q

Which is the compressed format of
the IPv6 address
2002:0420:00c4:1008:0025:0190:000
0:0990?
* 2002:420:c4:1008:25:190::990
* 2002:42:10:c400::909
* 2002:4200::25:1090:0:99
* 2002:42::25:1090:0:99

A
  • 2002:420:c4:1008:25:190::990
47
Q

Which is the compressed format of
the IPv6 address
2001:0db8:0000:0000:0000:a0b0:000
8:0001?
* 2001:db8::a0b0:8:1
* 2001:db8:1::ab8:0:1
* 2001:db8::ab8:1:0:1000
* 2001:db8:0:1::8:1

A
  • 2001:db8::a0b0:8:1
48
Q

Which is the compressed format of
the IPv6 address
fe80:0000:0000:0000:0220:0b3f:f0e0:
0029?
* fe80::220:b3f:f0e0:29
* fe80:9ea:0:2200::fe0:290
* fe80:9ea0::2020:0:bf:e0:9290
* fe80:9ea0::2020::bf:e0:9290

A
  • fe80::220:b3f:f0e0:29
49
Q

Which is the compressed format of
the IPv6 address
2001:0db8:0000:0000:0000:a0b0:000
8:0001?
* 2001:db8::a0b0:8:1
* 2001:db8::ab8:1:0:1000
* 2001:db80:0:1::80:1
* 2001:db8:0:1::8:1

A
  • 2001:db8::a0b0:8:1
50
Q

Which is the compressed format of
the IPv6 address
2002:0042:0010:c400:0000:0000:000
0:0909?
* 2002:42:10:c400::909
* 2002:4200::25:1090:0:99
* 2002:420:c4:1008:25:190::990
* 2002:42::25:1090:0:99

A
  • 2002:42:10:c400::909
51
Q

Which is the compressed format of
the IPv6 address
fe80:09ea:0000:2200:0000:0000:0fe0:
0290?
* fe80:9ea:0:2200::fe0:290
* fe80:9ea0::2020:0:bf:e0:9290
* fe80::220:b3f:f0e0:29
* fe80::0220:0b3f:f0e0:0029

A
  • fe80:9ea:0:2200::fe0:290
52
Q

A user issues a ping
2001:db8:FACE:39::10 command and
receives a response that includes a
code of 2 . What does this code
represent?
* beyond scope of the source
address
* communication with the
destination administratively
prohibited
* address unreachable
* no route to destination

A
  • beyond scope of the source
    address
53
Q

A user issues a ping 192.135.250.103
command and receives a response
that includes a code of 1 . What does
this code represent?
* host unreachable
* beyond scope of the source
address
* address unreachable
* communication with the
destination administratively
prohibited

A
  • host unreachable
54
Q

A user issues a ping
fe80:65ab:dcc1::100 command and
receives a response that includes a
code of 3 . What does this code
represent?
* address unreachable
* communication with the
destination administratively
prohibited
* beyond scope of the source
address
* no route to destination

A
  • address unreachable
55
Q

A user issues a ping 10.10.14.67
command and receives a response
that includes a code of 0 . What does
this code represent?
* network unreachable
* protocol unreachable
* port unreachable
* host unreachable

A
  • network unreachable
56
Q

A user issues a ping
fe80:65ab:dcc1::100 command and
receives a response that includes a
code of 4 . What does this code
represent?
* port unreachable
* host unreachable
* protocol unreachable
* network unreachable

A
  • port unreachable
57
Q

A user issues a ping 198.133.219.8
command and receives a response
that includes a code of 0 . What does
this code represent?
* network unreachable
* protocol unreachable
* port unreachable
* host unreachable

A
  • network unreachable
58
Q

. A user issues a ping
2001:db8:3040:114::88 command and
receives a response that includes a
code of 4 . What does this code
represent?
* port unreachable
* host unreachable
* protocol unreachable
* network unreachable

A
  • port unreachable
59
Q

. A user issues a ping
2001:db8:FACE:39::10 command and
receives a response that includes a
code of 2. What does this code
represent?
* beyond scope of the source
address
* host unreachable
* protocol unreachable
* network unreachable

A
  • beyond scope of the source
    address

Networking (7 decks)

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