Chapter 6.1.2

A technician is configuring the channel on a wireless router to either 1, 6, or 11. What is the purpose of adjusting the channel?

• to disable broadcasting of the SSID

• to enable different 802.11 standards

• to provide stronger security modes

• to avoid interference from nearby wireless devices

A device has been assigned the IPv6 address of 2001:0db8:cafe:4500:1000:00d8:0058:00ab/64. Which is the host identifier of the device?

• 2001:0db8:cafe:4500:1000:00d8:0058:00ab

• 2001:0db8:cafe:4500

• 1000:00d8:0058:00ab

• 00ab

Which IPv6 address represents the most compressed form of the IPv6 address 2001:0db8:cafe:0000:0835:0000:0000:0aa0/80?

• 2001:0db8:cafe:0000:0835::0aa0/80

• 2001:db8:cafe:0000:0835::aa0/80

• 2001:0db8:cafe:0000:0835::0aa/80

• 2001:db8:cafe::0835::aa0/80

• 2001:db8:cafe:0:835::aa0/80

Which filtering method uses the physical address to specify exactly which device is allowed or blocked from sending data on a network?

• MAC address filtering

• port forwarding

• port triggering

• whitelisting

How many bits are used to represent an IPv6 address?

• 128

• 48

• 64

• 32

• 8

How many bits are used to represent the host address of a computer with the IP address of 192.168.1.25 and a subnet mask of 255.255.255.0?

• 8

• 48

• 32

• 12

How many bits are used to represent the network address of a host with an IP address of 192.168.150.16 and a subnet mask of 255.255.0.0?

• 16

• 128

• 32

• 4

How many bits are used to represent the OUI part of the MAC address of a NIC card?

• 24

• 8

• 128

• 42

How many bits are used to represent a MAC address?

• 48

• 8

• 128

• 64

A computer is assigned an IP address of 169.254.33.16. What can be said about the computer, based on the assigned address?

• It cannot communicate outside its own network.

• It can communicate on the local network as well as on the Internet.

• It can communicate with networks inside a particular company with subnets.

• It has a public IP address that has been translated to a private IP address.