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Worksheets

106-130

Total questions: 25

Worksheet time: 14mins

Name
Class
Date
1.

106. What characteristic describes identity theft?

a)
  • the use of stolen credentials to access private data

b)
  • software on a router that filters traffic based on IP addresses or applications

c)
  • software that identifies fast-spreading threats

d)
  • a tunneling protocol that provides remote users with secure access into the network of an organization

2.

107. A network administrator is adding a new LAN to a branch office. The new LAN must support 200 connected devices. What is the smallest network mask that the network administrator can use for the new network?

a)
  • 255.255.255.240

b)
  • 255.255.255.0

c)
  • 255.255.255.248

d)
  • 255.255.255.224

3.

108. What are three commonly followed standards for constructing and installing cabling? (Choose three.)

a)
  • cost per meter (foot)

b)
  • cable lengths

c)
  • connector color

d)
  • pinouts

e)
  • connector types

4.

109. Refer to the exhibit. What is wrong with the displayed termination?

a)
  • The woven copper braid should not have been removed.

b)
  • The wrong type of connector is being used.

c)
  • The untwisted length of each wire is too long.

d)
  • The wires are too thick for the connector that is used.

5.

110. Match the characteristic to the category. (Not all options are used.)

a)

Hinh

b)

Hình

c)

HiNh

d)

HINH

6.

111. A client packet is received by a server. The packet has a destination port number of 143. What service is the client requesting?

a)
  • IMAP

b)
  • FTP

c)
  • SSH

d)
  • Telnet

7.

112. What are two characteristics shared by TCP and UDP? (Choose two.)

a)
  • default window size

b)
  • connectionless communication

c)
  • port numbering

d)
  • 3-way handshake

e)
  • use of checksum

8.

113. Refer to the exhibit. Which two network addresses can be assigned to the network containing 10 hosts? Your answers should waste the fewest addresses, not reuse addresses that are already assigned, and stay within the 10.18.10.0/24 range of addresses. (Choose two.)

a)
  • 10.18.10.200/28

b)
  • 10.18.10.208/28

c)
  • 10.18.10.240/27

d)
  • 10.18.10.200/27

e)
  • 10.18.10.224/28

9.

114. A client packet is received by a server. The packet has a destination port number of 21. What service is the client requesting?

a)
  • FTP

b)
  • LDAP

c)
  • SLP

d)
  • SNMP

10.

115. What attribute of a NIC would place it at the data link layer of the OSI model?

a)
  • attached Ethernet cable

b)
  • IP address

c)
  • MAC address

d)
  • RJ-45 port

e)
  • TCP/IP protocol stack

11.

116. A network administrator is adding a new LAN to a branch office. The new LAN must support 10 connected devices. What is the smallest network mask that the network administrator can use for the new network?

a)
  • 255.255.255.192

b)
  • 255.255.255.248

c)
  • 255.255.255.224

d)
  • 255.255.255.240

12.

117. What technique is used with UTP cable to help protect against signal interference from crosstalk?

a)
  • wrapping a foil shield around the wire pairs

b)
  • twisting the wires together into pairs

c)
  • terminating the cable with special grounded connectors

d)
  • encasing the cables within a flexible plastic sheath

13.

118. Refer to the exhibit. The network administrator has assigned the LAN of LBMISS an address range of 192.168.10.0. This address range has been subnetted using a /29 prefix. In order to accommodate a new building, the technician has decided to use the fifth subnet for configuring the new network (subnet zero is the first subnet). By company policies, the router interface is always assigned the first usable host address and the workgroup server is given the last usable host address. Which configuration should be entered into the properties of the workgroup server to allow connectivity to the Internet?

a)
  • IP address: 192.168.10.65 subnet mask: 255.255.255.240, default gateway: 192.168.10.76

b)
  • IP address: 192.168.10.38 subnet mask: 255.255.255.240, default gateway: 192.168.10.33

c)
  • IP address: 192.168.10.38 subnet mask: 255.255.255.248, default gateway: 192.168.10.33

d)
  • IP address: 192.168.10.41 subnet mask: 255.255.255.248, default gateway: 192.168.10.46

e)
  • IP address: 192.168.10.254 subnet mask: 255.255.255.0, default gateway: 192.168.10.1

14.

119. Refer to the exhibit. The switches are in their default configuration. Host A needs to communicate with host D, but host A does not have the MAC address for its default gateway. Which network hosts will receive the ARP request sent by host A?

a)
  • only host D

b)
  • only router R1

c)
  • only hosts A, B, and C

d)
  • only hosts A, B, C, and D

e)
  • only hosts B, C, and router R1

15.

120. Match a statement to the related network model. (Not all options are used.)

a)

Hình

b)

Hinh

c)

HiNh

d)

HINH

16.

121. Refer to the exhibit. A network engineer has been given the network address of 192.168.99.0 and a subnet mask of 255.255.255.192 to subnet across the four networks shown. How many total host addresses are unused across all four subnets?

a)

88

b)

200

c)

72

d)

224

e)

158

17.

122. Which connector is used with twisted-pair cabling in an Ethernet LAN?

a)

Hình

b)

Hinh

c)

HINH

d)

HiNh

18.

123. A client packet is received by a server. The packet has a destination port number of 22. What service is the client requesting?

a)
  • SSH

b)
  • SMB/CIFS

c)
  • HTTPS

d)
  • SLP

19.

124. What characteristic describes an IPS?

a)
  • a tunneling protocol that provides remote users with secure access into the network of an organization

b)
  • a network device that filters access and traffic coming into a network

c)
  • software that identifies fast-spreading threats

d)
  • software on a router that filters traffic based on IP addresses or applications

20.

125. What service is provided by DHCP?

a)

An application that allows real-time chatting among remote users

b)
  • Allows remote access to network devices and servers.

c)
  • Dynamically assigns IP addresses to end and intermediary devices.

d)
  • Uses encryption to provide secure remote access to network devices and servers.

21.

126. Match the header field with the appropriate layer of the OSI model. (Not all options are used.)

a)

HINH

b)

Hình

c)

HiNh

d)

Hinh

22.

127. Refer to the exhibit. The switches have a default configuration. Host A needs to communicate with host D, but host A does not have the MAC address for the default gateway. Which network devices will receive the ARP request sent by host A?

a)
  • only host D

b)
  • only hosts A, B, C, and D

c)
  • only hosts B and C

d)
  • only hosts B, C, and router R1

e)
  • only hosts A, B, and C

23.

128. Which wireless technology has low-power and low-data rate requirements making it popular in IoT environments?

a)
  • Bluetooth

b)
  • Zigbee

c)
  • WiMAX

d)
  • Wi-Fi

24.

129. What two ICMPv6 message types must be permitted through IPv6 access control lists to allow resolution of Layer 3 addresses to Layer 2 MAC addresses? (Choose two.)

a)
  • neighbor solicitations

b)
  • echo requests

c)
  • neighbor advertisements

d)
  • echo replies

e)
  • router solicitations

25.

130. A client is using SLAAC to obtain an IPv6 address for its interface. After an address has been generated and applied to the interface, what must the client do before it can begin to use this IPv6 address?

a)
  • It must send a DHCPv6 INFORMATION-REQUEST message to request the address of the DNS server.

b)
  • It must send a DHCPv6 REQUEST message to the DHCPv6 server to request permission to use this address.

c)
  • It must send an ICMPv6 Router Solicitation message to determine what default gateway it should use.

d)
  • It must send an ICMPv6 Neighbor Solicitation message to ensure that the address is not already in use on the network.