Quiz 3 (it exam)

A client device has initiated a secure HTTP request to a web browser. Whichwell-known port address number is associated with the destination address?

• 443

• 110

• 404

• 80

Which feature is characteristic of MAC filtering in wireless networks?

• It allows only authorized users to detect the network

• It restricts computer access to a wireless network.

• It is configured on the computer rather than on the router.

• It encrypts data that is transmitted on a wireless network.

What wireless router configuration would stop outsiders from using your home network?

• encryption

• IP address

• router location

• network name

What two IEEE 802.11 wireless standards operate only in the 5 GHz range?(Choose two.)

• 802.11ad

• 802.11n

• 802.11g

• 802.11ac

• 802.11a

Which wireless RF band do IEEE 802.11b/g devices use?

• 5 GHz

• 2.4 GHz

• 900 MHz

• 60 GHz

What are three advantages of wireless over wired LAN technology? (Choose three.)

• higher level of security

• longer transmission distance

• ease of expansion

• lower on-going costs

• ease of installation

What is CSMA/CA on a network?

• an access method that is used by wired Ethernet technology to avoid collisions

• an access method that is used by wireless technology to avoid duplicate SSIDs

• an access method that is used by any technology that has excessive collisions

• an access method that is used by wireless technology to avoid collisions

A network administrator has decided to use WPA2 for security in a WLAN.Which statement describes WPA2?

• WPA2 requires use of an open authentication method.

• WPA2 uses preconfigured keys to encrypt and decrypt data.

• WPA2 specifies the use of a static encryption key that must be changedfrequently to enhance security.

• WPA2 specifies the use of a dynamic encryption key.

What is a feature that can be used by an administrator to prevent unauthorized users from connecting to a wireless access point?

• MAC filtering

• software firewall

• WPA encryption

• proxy server

Which wireless access point association parameter is used by the wireless clientto distinguish between multiple wireless networks in the same vicinity?

• SSID

• network mode

• password

• channel setting