Chapter 2 Flashcards
1
Q
An IPv6 address consists of how many bits? A) 32 B) 48 C) 96 D) 128
A
D) 128
2
Q
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
A
B) Transport
3
Q
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
A
C) Domain Name
4
Q
What do the first 24 bits of a MAC address represent? A) Organizationally Unique Identifier B) Device ID C) Extension ID D) Network ID
A
A) Organizationally Unique Identifier
5
Q
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
A
B) ipconfig /all
6
Q
What top level domain is used for the air-transport industry? A) .air B) .aero C) .tport D) .intl
A
B) .aero
7
Q
How many clusters of root servers exist? A) 8 B) 10 C) 13 D) 15
A
C) 13
8
Q
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
A
A) 0-1023
9
Q
A loopback IP address begins with what number? A) 254 B) 127 C) 169 D) 192
A
B) 127
10
Q
In Linux systems, what file contains the settings for the DHCP service? A) dhcpd.conf B) dhcp.ini C) dhcpd.cfg D) dhcp.cf
A
A) dhcpd.conf
11
Q
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
A
B) ifconfig -a
12
Q
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
A
B) SIP
13
Q
The Network Time Protocol service uses what port number? A) TCP 123 B) TCP 89 C) UDP 123 D) UDP 90
A
C) UDP 123
14
Q
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
A
B) BIND
15
Q
Select the protocol below that is used to synchronize clocks on computers on a network: A) SMTP B) NTP C) SIP D) CIFS
A
B) NTP
16
Q
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
A
C) ping
17
Q
What RFC outlines recommendations for private IP addresses? A) RFC 1900 B) RFC 1918 C) RFC 638 D) RFC 2332
A
B) RFC 1918
18
Q
What protocol is commonly used to request configuration files from another computer? A) SNMP B) SIP C) SMB D) TFTP
A
D) TFTP
19
Q
What two types of IP addresses are used on the internet? A) IPv4 B) IPv6 C) IPX D) IPng
A
A) IPv4
B) IPv6
20
Q
Traditional MAC addresses are broken into two parts. Name these two parts. A) blick ID B) primary octect C) secondary octet D) device ID
A
A) block ID
D) device ID
21
Q
What two names are used to descibe 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
A
B) split DNS
C) split-horizon DNS
22
Q
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
A
C) ipconfig /displaydns
D) ipconfig /flushdns
