Which media type is least susceptible to external

interference including EMI and RFI?

• Wireless

• Fiber Optic

• UTP

• STP

Class A IP address

• 201.111.22.3

• 133.234.23.2

• 64.123.12.1

• -224.100.20.3

On a wireless router, what is an SSID?

• The default administrator account

• The broadcast ID

• The default communication protocol

• A WAN encryption protocol

Class B IP address

• 64.123.12.1

• 133.234.23.2

• 201.111.22.3

• 224.100.20.3

Class C IP address

• 64.123.12.1

• 133.234.23.2

• 201.111.22.3

• 224.100.20.3

Class D IP address

• 64.123.12.1

• 133.234.23.2

• 201.111.22.3

• 224.100.20.3

What is a reason to incorporate VLANs into a

network?

• To increase the number of available IP addresses.

• To increase the number of available Media Access

  Control (MAC) addresses.

• To reduce the number of broadcast domains.

• To reduce the number of nodes in a broadcast domain

What are two characteristics of VLANs? (Choose 2.)

• A VLAN compartmentalizes a network and isolates traffic.

• A single switch can service only a single VLAN.

• VLANs act as though they are on the same LAN regardless

  of physical location.

• A VLAN can logically address packets by using IP.

The fiber network connection between Building A

and Building B is 550 meters. There is attenuation

on the line. Which tool should you use to test this?

• Time-domain reflectometer (DR)

• Optical time-domain reflectometer (OTDR)

• Toner

• Multimeter

Which network element uses a tunneling protocol to

encapsulate data for transmission?

• NAT

• VLAN

• Internet

• VPN