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Networking > Module 11-13 Exam > Flashcards

Module 11-13 Exam Flashcards

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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
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
* all IPv6 enabled devices on the local link or network
26
Which IPv6 prefix is reserved for communication between devices on the same link? * FC00::/7 * 2001::/32 * FE80::/10 * FDFF::/7
* FE80::/10
27
Which type of IPv6 address refers to any unicast address that is assigned to multiple hosts? * unique local * global unicast * link-local * anycast
* anycast
28
What are two types of IPv6 unicast addresses? (Choose two.) * multicast * loopback * link-local * anycast * broadcast
* loopback * link-local
29
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
* SLAAC
30
Which protocol supports Stateless Address Autoconfiguration (SLAAC) for dynamic assignment of IPv6 addresses to a host? * ARPv6 * DHCPv6 * ICMPv6 * UDP
* ICMPv6
31
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
* the TCP/IP stack on a network host
32
Which protocol is used by the traceroute command to send and receive echo-requests and echoreplies? * SNMP * ICMP * Telnet * TCP
* ICMP
33
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
* time exceeded
33
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
* to provide feedback of IP packet transmissions
34
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
* when the value of the Hop Limit field reaches zero
35
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
* the IP address of the outbound interface
36
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
* host unreachable
37
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
* 192.168.1.64/26
38
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
* all hosts in the same subnet
39
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
* one specific host
40
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
* address unreachable
41
. 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 specially defined group of hosts
42
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
* 2001:db8::a0b0:8:1
43
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
* fe80:9ea:0:2200::fe0:290
44
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
* 2002:42:10:c400::909
45
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
* 2001:db8::ab8:1:0:1000
46
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
* 2002:420:c4:1008:25:190::990
47
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
* 2001:db8::a0b0:8:1
48
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
* fe80::220:b3f:f0e0:29
49
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
* 2001:db8::a0b0:8:1
50
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
* 2002:42:10:c400::909
51
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
* fe80:9ea:0:2200::fe0:290
52
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
* beyond scope of the source address
53
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
* host unreachable
54
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
* address unreachable
55
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
* network unreachable
56
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
* port unreachable
57
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
* network unreachable
58
. 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
* port unreachable
59
. 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
* beyond scope of the source address

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