Chapter 12

What command can be used to troubleshoot routing by displaying all routers between the current computer and a remote computer?

traceroute

What is the subnet mask for a Class B IP address?

255.255.0.0

What is the subnet mask for a Class C IP address?

255.255.255.0

How many DNS servers can be configured in the /etc/resolv.conf file?

3

Each octet in an IP address represents a binary number consisting of how many bits / bytes?

8

IPv6 IP addresses are delimited by what character below?

:

A route table is a list of TCP/IP networks that is stored in system memory.

?

Passwords used by the PPP daemon are stored in two files: /etc/ppp/pap-secrets and /etc/ppp/chap-secrets.

?

SLIP is a newer technology than PPP.

False

What is the most commonly used LAN protocol?

TCP/IP

Class D addresses are used for multicasting.

True

The ARCfour encryption algorithm uses variable-length keys up to 2048 bits in length.?

True

Select the command that can be used to send a small TCP/IP packet to another IP address and await a response:

ping

An IPv6 IP address consists of 16-bit numbers in what numbering scheme?

expanded numbering system

What command can be used to assign a TCP/IP configuration to a NIC as well as view the current configuration of all network interfaces?

ifconfig