Exam 91-100 Flashcards

1
Q

A network technician is building a network for a small office. The office currently has cable TV and now requires access
to the Internet without adding any cabling other than what is already in place. Which of the following solutions should
the technician install to meet these requirements?

A. DOCSIS modem
B. Wireless router
C. DSL modem
D. Access point

A

A. DOCSIS modem

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2
Q

A technician is replacing a switch at a branch office and discovers the existing backbone cable does not fit in the new
switch. The fiber patch panel has circular connections. The new switch has a transceiver that accepts a smaller square
adapter of two strands. Which of the following patch cables would the technician need to complete the installation?

A. LC to SC 
B. SC to ST 
C. LC to ST 
D. ST to ST 
E. SC to SC
A

C. LC to ST

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3
Q

A network technician is configuring a firewall access list to secure incoming connections to an email server. The internal address of this email server is 192.168.1.143. The firewall should allow external email servers to send email to the email
server. The email server also supports client access via a web browser. Only secure protocols should be used, and only
the necessary ports should be open. Which of the following ACL rules should be configured in the firewall’s WAN port?
(Choose two.)

A. Permit 192.168.1.143.25 
B. Permit 192.168.1.143.80 
C. Permit 192.168.1.143.110 
D. Permit 192.168.1.143.143 
E. Permit 192.168.1.143.443 
F. Permit 192.168.1.143.587
A

E. Permit 192.168.1.143.443

F. Permit 192.168.1.143.587

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4
Q

A small business developed an in-house application that is very sensitive to network latency when a communicating
between servers. Due to a lack of funds, the business had to build its own network for workstations and servers. Now a
network administrator must redesign the network due to performance issues with the application. Which of the following
would be the MOST cost effective for the administrator to recommend?

A. Create Ethernet VLANs
B. Disable autonegotiation on the servers
C. Install 10Gb Ethernet NICs in the servers
D. Install Fibre Channel for the server network

A

C. Install 10Gb Ethernet NICs in the servers

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5
Q

A network technician configures a firewall’s ACL to allow outgoing traffic for several popular services such as email
and web browsing. However, after the firewall’s deployment, users are still unable to retrieve their emails. Which of the
following would BEST resolve this issue?

A. Allow the firewall to accept inbound traffic to ports 25, 67, 179, and 3389
B. Allow the firewall to accept inbound traffic to ports 80, 110, 143, and 443
C. Set the firewall to operate in transparent mode
D. Allow the firewall to accept inbound traffic to ports 21, 53, 69, and 123

A

B. Allow the firewall to accept inbound traffic to ports 80, 110, 143, and 443

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6
Q

An engineer is reviewing the implementation requirements for an upcoming project. The basic requirements identified by
the customer include the following:
Which of the following solution sets properly addresses all of the identified requirements?

A. 802.11a, IPSec VPN, 802.1x 
B. 802.11ac, MPLS, 802.3 
C. 802.11b, PPTP, 802.1x 
D. 802.11g, MS-CHAP, 802.16 
E. 802.11n, SSL-VPN, 802.1x
A

E. 802.11n, SSL-VPN, 802.1x

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7
Q

A technician wants to prevent an unauthorized host from connecting to the network via Ethernet. Which of the following
is a Layer 2 access control the technician should implement?

A. Access control lists
B. Captive portal
C. WPA2
D. Port security

A

D. Port security

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8
Q

A customer cannot access a company’s secure website. The company’s network security is reviewing the firewall for the
server and finds the following output:

Which of the following changes should be made to allow all customers to access the company’s secure website?

A. Allow any any 10.5.0.10 443
B. Allow any any 12.73.15.5 443
C. Allow 10.5.0.10 443 any any
D. Allow 10.5.0.10 any 10.5.0.10 80

A

C. Allow 10.5.0.10 443 any any

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9
Q

When enabling jumbo frames on a network device, which of the following parameters is being adjusted?

A. Speed
B. Duplex
C. MTU
D. TTL

A

C. MTU

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10
Q

A network technician installs a web server on the firewall. Which of the following methods should the technician
implement to allow access to outside users without giving access to the inside network?
A. VLAN
B. DMZ
C. SNMP
D. NTP

A

B. DMZ

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