Deck 12: Network Configuration

Question 1

What is the most commonly used LAN protocol?

A) UDP/IP
B) IPX/SPX
C) TCP/IP
D) DLC

Answer 1

C

Question 2

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

A) hexadecimal
B) decimal
C) binary
D) octal

Answer 2

A

Question 3

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

Answer 3

True

Question 4

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

A) route
B) ip
C) traceroute
D) route add

Question 5

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

Question 6

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

Question 7

Class D addresses are used for multicasting.

Question 8

IPv6 IP addresses are delimited by what character below?

A) ;
B) :
C) .
D) ,

Question 9

What tool below was designed as a secure remote access utility that encrypts information that passes across the network?

A) Telnet
B) Virtual Network Computing (VNC)
C) rlogin
D) Secure Shell (SSH)

Question 10

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

A) 255.0.0.0
B) 255.255.0.0
C) 255.255.255.0
D) 255.255.255.255

Question 11

In order to enable IP routing on Linux at boot, what setting must be configured in /etc/sysctl.conf?​

A) net.routing.enable​
B) ​net.ipv4.ip_forward
C) ​ipv4.routing
D) ​iproute.ipv4

Question 12

SLIP is a newer technology than PPP.

Question 13

What option can be added to the netstat command in order to display network statistics?​

A) ​-s
B) ​-a
C) ​-i
D) ​-p

Question 14

What range of ports is considered to be "well-known"?​

A) ​0-1023
B) ​1024-10023
C) ​10023-24433
D) ​24434-65535

Question 15

What well-known TCP port is utilized by the SMTP service?​

A) ​23
B) ​25
C) ​22
D) ​110

Question 16

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

A) ping
B) ring
C) png
D) ipquery

Question 17

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?

A) ipconfig
B) ifconf
C) ipconf
D) ifconfig

Question 18

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

A) 255.0.0.0
B) 255.255.0.0
C) 255.255.255.0
D) 255.255.255.255

Question 19

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

A) two
B) three
C) four
D) five

Question 20

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

A) 4-bit
B) 8-bit
C) 4-byte
D) 8-byte

Question 21

​Match each term with the correct statement below.
a.​broadcast
b.​classless interdomain routing (CIDR) notation
c.​host name
d.​Internet Protocol (IP) address
e.​IP version 4 (IPv4)
f.link local​
g.​multicast
h.​octet
i.​protocol
j.route table
​The TCP/IP communication destined for a certain group of computers.

Question 22

You can view or set the host name for a Linux computer using the ____________________ command.

Question 23

​Match each term with the correct statement below.
a.​broadcast
b.​classless interdomain routing (CIDR) notation
c.​host name
d.​Internet Protocol (IP) address
e.​IP version 4 (IPv4)
f.link local​
g.​multicast
h.​octet
i.​protocol
j.route table
​A notation that is often used to represent an IP address and its subnet mask.

Question 24

Select below the configuration file that is used to configure the BIND / DNS server:​

A) ​/etc/bind.conf
B) ​/etc/named.conf
C) ​/etc/dns.conf
D) ​/etc/resolv.conf

Question 25

​Match each term with the correct statement below.
a.​broadcast
b.​classless interdomain routing (CIDR) notation
c.​host name
d.​Internet Protocol (IP) address
e.​IP version 4 (IPv4)
f.link local​
g.​multicast
h.​octet
i.​protocol
j.route table
​The most common version of IP used on the Internet. It uses a 32-bit addressing scheme organized into different classes

Question 26

What is the Advanced Encryption Standard (AES) encryption algorithm​'s largest key length size?

A) ​64-bit
B) ​128-bit
C) ​192-bit
D) ​256-bit

Question 27

The sshd daemon is configured by editing what configuration file?​

A) ​/etc/sshd.config
B) ​/etc/ssh/ssh_config
C) ​/etc/ssh/sshd_config
D) ​/etc/ssh.conf

Question 28

​Match each term with the correct statement below.
a.​broadcast
b.​classless interdomain routing (CIDR) notation
c.​host name
d.​Internet Protocol (IP) address
e.​IP version 4 (IPv4)
f.link local​
g.​multicast
h.​octet
i.​protocol
j.route table
​A portion of an IP address that represents eight binary bits.

Question 29

Describe what a subnet mask is, and explain why it is used. Then, detail how it is used to determine the network ID of an IP address.

Question 30

How do you configure a NIC? What do you do if the NIC is not detected during installation?

Question 31

What is VNC? How does it transfer graphics across the network?

Question 32

​Match each term with the correct statement below.
a.​broadcast
b.​classless interdomain routing (CIDR) notation
c.​host name
d.​Internet Protocol (IP) address
e.​IP version 4 (IPv4)
f.link local​
g.​multicast
h.​octet
i.​protocol
j.route table
​A series of four 8-bit numbers that represent a computer on a network.

Question 33

The IP address of the network interface on the router to which you send packets is called the ____________________.

Question 34

A network _______________ breaks information down into packets that can be recognized by workstations, routers, and other devices on a network.

Question 35

____________________ is the process in which a single large network is subdivided into several smaller networks to control traffic flow and improve manageability.

Question 36

___________ is a mathematical operation that compares two binary digits and gives a result of 1 or 0. ​If both binary digits being compared have a value of 1, the result is 1. If one digit is 0 and the other is 1, or if both digits are 0, the result is 0.

Question 37

Discuss modems, ISDN, and DSL. What types of data transfer speeds are each of these capable of? How are they typically configured?

Question 38

Where are the log files for the Samba daemon located?​

A) ​/var/log/Samba/log
B) ​/var/log/access.log
C) ​/var/log/samba
D) ​/var/run/samba/log

Question 39

Describe the telnet and SSH utilities. What is the difference between them?

Question 40

What option can be used with ssh to enable tunneling of X Windows information?​

A) ​-f
B) ​-x
C) ​-X
D) ​-L

Question 41

What two daemons can be used to start and manage connections for smaller network daemons such as telnet and rlogin?​

A) ​autod
B) ​inetd
C) ​xinetd
D) ​netd

Question 42

Select the two numbers below that represent the number of bits needed to make an IPv4 or IPv6 IP address:​

A) ​32
B) ​48
C) ​64
D) ​128

Question 43

What two commands below can be used to manipulate the routing table?​

A) ​table
B) ​ipconfig
C) ​ip route
D) ​route

Question 44

​A Class A network uses how many bits for the network ID, and how many bits for the host ID?

A) ​8
B) ​16
C) ​24
D) ​32

Question 45

​Match each term with the correct statement below.
a.​broadcast
b.​classless interdomain routing (CIDR) notation
c.​host name
d.​Internet Protocol (IP) address
e.​IP version 4 (IPv4)
f.link local​
g.​multicast
h.​octet
i.​protocol
j.route table
​The TCP/IP communication destined for all computers on a network.

Question 46

​Match each term with the correct statement below.
a.​broadcast
b.​classless interdomain routing (CIDR) notation
c.​host name
d.​Internet Protocol (IP) address
e.​IP version 4 (IPv4)
f.link local​
g.​multicast
h.​octet
i.​protocol
j.route table
​A table of information used to indicate which networks are connected to network interfaces.

Question 47

​Match each term with the correct statement below.
a.​broadcast
b.​classless interdomain routing (CIDR) notation
c.​host name
d.​Internet Protocol (IP) address
e.​IP version 4 (IPv4)
f.link local​
g.​multicast
h.​octet
i.​protocol
j.route table
​A user-friendly name assigned to a computer.

Question 48

​Match each term with the correct statement below.
a.​broadcast
b.​classless interdomain routing (CIDR) notation
c.​host name
d.​Internet Protocol (IP) address
e.​IP version 4 (IPv4)
f.link local​
g.​multicast
h.​octet
i.​protocol
j.route table
​A set of rules of communication used between computers on a network.

Question 49

​Match each term with the correct statement below.
a.​broadcast
b.​classless interdomain routing (CIDR) notation
c.​host name
d.​Internet Protocol (IP) address
e.​IP version 4 (IPv4)
f.link local​
g.​multicast
h.​octet
i.​protocol
j.route table
​The portion of an IPv6 address that refers to a unique computer. It is analogous to the host portion of an IPv4 address.

Question 50

What two IP addresses below cannot be assigned to a host computer because they refer to all networks and all computers on all networks, respectively?​

A) 1.1.1.1​
B) ​0.0.0.0
C) ​255.255.255.255
D) ​255.255.255.0