Deck 2: How Computers Find Each Other on Networks

Question 1

The Network Time Protocol service uses what port number?

A)TCP 123
B)TCP 89
C)UDP 123
D)UDP 90

Answer 1

C

Question 2

Which protocol below is used to make an initial connection between hosts for transferring multimedia data,relying on other protocols once a connection is established?

A)SMB
B)SIP
C)H.323
D)NTP

Answer 2

B

Question 3

What range of ports is referred to as the "well-known" range of ports?

A)0-1023
B)1024-49151
C)49152-65535
D)500 - 1024

Answer 3

A

Question 4

Each organization that provides host services on the public Internet is responsible for providing and maintaining DNS authoritative servers for public access.

Question 5

NetBIOS applications should be replaced as they are out-of-date.

Question 6

Select the name of the free,open source software that is by far the most popular DNS server software:

A)Microsoft DNS
B)BIND
C)Oracle Resolver
D)Dnsmasq

Question 7

A loopback IP address begins with what number?

A)254
B)127
C)169
D)192

Question 8

Select the protocol below that is used to synchronize clocks on computers on a network:

A)SMTP
B)NTP
C)SIP
D)CIFS

Question 9

Select the IPv6 address below that indicates a global unicast address:

A)FE80::10
B)2000::/3
C)FC00::/7
D)FD00::/8

Question 10

A hexadecimal number is a number written in the base 16 number system.

Question 11

What do the first 24 bits of a MAC address represent?

A)Organizationally Unique Identifier
B)device ID
C)extension ID
D)network ID

Question 12

How many clusters of root servers exist?

A)8
B)10
C)13
D)15

Question 13

What command on Linux will display TCP/IP information associated with every interface on the device?

A)ifconfig /all
B)ifconfig -a
C)ipconfig -a
D)ipconfig /all

Question 14

A port number,which identifies an application on a host,exists at what level of the OSI model?

A)Application
B)Transport
C)Network
D)Data link

Question 15

What are the last two parts of a host name known as?

A)top level domain
B)fully qualified domain name (FQDN)
C)domain name
D)host qualifier

Question 16

What command below can be used to display a complete summary of all network interfaces in a Windows computer?

A)ipconfig /a
B)ipconfig /all
C)ipconfig /list
D)ipconfig /show

Question 17

An IPv6 address consists of how many bits?

A)32
B)48
C)96
D)128

Question 18

ICANN is responsible for restrictions on use of the .com,.org,and .net TLDs.

Question 19

In Linux systems,what file contains the settings for the DHCP service?

A)dhcpd.conf
B)dhcp.ini
C)dhcpd.cfg
D)dhcp.cf

Question 20

DNS follows a centralized database model.

Question 21

What is a subnet mask,and how is it used?

Question 22

What two names are used to describe the configuration in which internal and external DNS queries are handled by different DNS servers or by a single DNS server that is specially configured to keep internal and external DNS zones separate?

A)walled-DNS
B)split DNS
C)split-horizon DNS
D)DMZ DNS

Question 23

________________ are not used to find noes on networks other than the local network.

Question 24

Matching
Match each correct item with the statement below.
a.A (Address)record
b.AAAA (Address) record
c.Automatic Private IP Addressing (APIPA)
d.device ID
e.Dynamic Network Address Translation (DNAT)
f.Internet Corporation for Assigned Names and Numbers (ICANN)
g.NetBIOS
h.packet analyzer
i.PTR (Pointer)record
j.Static Network Address Translation (SNAT)
A unique set of characters assigned toeach NIC by its manufacturer.In the traditional,48-bitphysical addressing scheme,the extension identifier is 24 bitslong.In EUI-64,the extension identifier is 40 bits long.

Question 25

The MAC address,which is also known as the ______________ address,is embedded on every NIC and is assumed to be unique.

Question 26

Explain the three different tunneling protocols developed for transmission of IPv6 packets over or through an IPv4 network.

Question 27

Describe the two different types of NAT.

Question 28

The IP addresses 169.254.0.1 and 169.254.255.254 are both examples of ___________________.

Question 29

A ___________ is a DNS client that requests information from DNS name servers.

Question 30

Describe the difference between unicast,multicast,and anycast addresses.

Question 31

What RFC outlines recommendations for private IP addresses?

A)RFC 1900
B)RFC 1918
C)RFC 638
D)RFC 2332

Question 32

What two address prefixes for IPv6 addresses are used for unique local unicast?

A)FE80::/64
B)FC00::/7
C)FD00::/8
D)FF00::/8

Question 33

What two types of IP addresses are used on the Internet?

A)IPv4
B)IPv6
C)IPX
D)IPng

Question 34

Traditional MAC addresses are broken into two parts.Name these two parts.

A)block ID
B)primary octet
C)secondary octet
D)device ID

Question 35

What protocol is commonly used to request configuration files from another computer?

A)SNMP
B)SIP
C)SMB
D)TFTP

Question 36

When two IPv6 nodes are on the same network,they are referred to as which of the following?

A)adjacent
B)neighbors
C)collaborators
D)friends

Question 37

What utility is used to verify that TCP/IP installed,bound to the NIC,configured correctly,and communicating with the network?

A)traceroute
B)ifconfig
C)ping
D)route

Question 38

A ______________ consists of a host's IP address and the port number of an application running on a host,with a colon separating the two values.

Question 39

Describe how an IPv6 address is written and displayed.

Question 40

What two ipconfig commands below are used to show DNS resolver cache information and clear the name resolver cache?

A)ipconfig /releasedns
B)ipconfig /alldns
C)ipconfig /displaydns
D)ipconfig /flushdns

Question 41

Matching
Match each correct item with the statement below.
a.A (Address)record
b.AAAA (Address) record
c.Automatic Private IP Addressing (APIPA)
d.device ID
e.Dynamic Network Address Translation (DNAT)
f.Internet Corporation for Assigned Names and Numbers (ICANN)
g.NetBIOS
h.packet analyzer
i.PTR (Pointer)record
j.Static Network Address Translation (SNAT)
A type of DNS data record that is usedfor reverse lookups,to provide a host name when the IPaddress is known.

Question 42

Matching
Match each correct item with the statement below.
a.A (Address)record
b.AAAA (Address) record
c.Automatic Private IP Addressing (APIPA)
d.device ID
e.Dynamic Network Address Translation (DNAT)
f.Internet Corporation for Assigned Names and Numbers (ICANN)
g.NetBIOS
h.packet analyzer
i.PTR (Pointer)record
j.Static Network Address Translation (SNAT)
A type ofaddress translation in which a gateway assigns the samepublic IP address to a host each time it makes a request toaccess the Internet.

Question 43

Matching
Match each correct item with the statement below.
a.A (Address)record
b.AAAA (Address) record
c.Automatic Private IP Addressing (APIPA)
d.device ID
e.Dynamic Network Address Translation (DNAT)
f.Internet Corporation for Assigned Names and Numbers (ICANN)
g.NetBIOS
h.packet analyzer
i.PTR (Pointer)record
j.Static Network Address Translation (SNAT)
A type ofaddress translation in which a gateway has a pool of publicIP addresses that it is free to assign to a local host wheneverthe local host makes a request to access the Internet.

Question 44

Matching
Match each correct item with the statement below.
a.A (Address)record
b.AAAA (Address) record
c.Automatic Private IP Addressing (APIPA)
d.device ID
e.Dynamic Network Address Translation (DNAT)
f.Internet Corporation for Assigned Names and Numbers (ICANN)
g.NetBIOS
h.packet analyzer
i.PTR (Pointer)record
j.Static Network Address Translation (SNAT)
A service availableon computers running one of the Windows operating systemsthat automatically assigns the computer's network interface alink-local IP address.In IPv4,this address is in the range of169.254.0.1 through 169.254.255.254.

Question 45

Matching
Match each correct item with the statement below.
a.A (Address)record
b.AAAA (Address) record
c.Automatic Private IP Addressing (APIPA)
d.device ID
e.Dynamic Network Address Translation (DNAT)
f.Internet Corporation for Assigned Names and Numbers (ICANN)
g.NetBIOS
h.packet analyzer
i.PTR (Pointer)record
j.Static Network Address Translation (SNAT)
A type of DNS data record that maps theIPv6 address of an Internet-connected device to its domainname.

Question 46

Matching
Match each correct item with the statement below.
a.A (Address)record
b.AAAA (Address) record
c.Automatic Private IP Addressing (APIPA)
d.device ID
e.Dynamic Network Address Translation (DNAT)
f.Internet Corporation for Assigned Names and Numbers (ICANN)
g.NetBIOS
h.packet analyzer
i.PTR (Pointer)record
j.Static Network Address Translation (SNAT)
A type of DNS data record that maps theIPv4 address of an Internet-connected device to its domainname.

Question 47

Matching
Match each correct item with the statement below.
a.A (Address)record
b.AAAA (Address) record
c.Automatic Private IP Addressing (APIPA)
d.device ID
e.Dynamic Network Address Translation (DNAT)
f.Internet Corporation for Assigned Names and Numbers (ICANN)
g.NetBIOS
h.packet analyzer
i.PTR (Pointer)record
j.Static Network Address Translation (SNAT)
A software package or hardware-basedtool that can capture and analyze data on a network.

Question 48

Matching
Match each correct item with the statement below.
a.A (Address)record
b.AAAA (Address) record
c.Automatic Private IP Addressing (APIPA)
d.device ID
e.Dynamic Network Address Translation (DNAT)
f.Internet Corporation for Assigned Names and Numbers (ICANN)
g.NetBIOS
h.packet analyzer
i.PTR (Pointer)record
j.Static Network Address Translation (SNAT)
A protocolthat runs in the Session and Transport layers of the OSImodel and associates NetBIOS names with workstations.

Question 49

Matching
Match each correct item with the statement below.
a.A (Address)record
b.AAAA (Address) record
c.Automatic Private IP Addressing (APIPA)
d.device ID
e.Dynamic Network Address Translation (DNAT)
f.Internet Corporation for Assigned Names and Numbers (ICANN)
g.NetBIOS
h.packet analyzer
i.PTR (Pointer)record
j.Static Network Address Translation (SNAT)
The nonprofit corporation currently designated bythe U.S.government to maintain and assign IP addresses.