Network Ch.3
Which of the following IP addresses is a Class B address? Mark all that apply.
190.168.60.83 or 128.60.5.52
Which of the following IPv6 addresses represents a global unicast address?
2000::/3
If you borrow 3 bits in a class C network, how many usable hosts will be on each subnet?
30
A hexadecimal number represents how many binary digits?
4
How many subnets can you create if you borrow 3 bits in a class C network?
8
The hexadecimal number 5E is what number in decimal?
94
With a FQDN of ftp1.dallas.mycompany.com, what part is the domain name?
mycompany.com
At the Transport layer of the OSI, what is used to find and communicate with a particular application running on a host?
port numbers
Which of the following is NOT a range of IP addresses recommended for use in private networks?
127.0.0.0 through 127.255.255.255
Which of the following IP addresses would be a loopback IP address?
127.0.0.1
In the classful addressing scheme, what range of network addresses is considered a Class B?
128.0.x.y to 191.255.x.y
What is the increment if your subnet mask is 255.255.255.240?
16
How can you determine the manufacturer of a NIC card based on the MAC address?
The first 24 bits, known as the Organizationally Unique Identifier, identify the manufacturer.
What part of a MAC address serves as the extension identifier, or device ID?
The last 24 bits of the MAC address.
How do routers create a broadcast domain boundary?
They do not forward broadcast traffic.
What utility is used to verify that TCP/IP installed, bound to the NIC, configured correctly, and communicating with the network?
ping
A hexadecimal number is a number written in the base 16 number system.
true
At the root level of the DNS hierarchical structure, 13 clusters of root servers hold information used to locate TLD servers.
true
Each organization that provides host services on the public Internet is responsible for providing and maintaining DNS authoritative servers for public access.
true
UDP port 123 is utilized by the Network Time Protocol service.
true
When using IPv6, two or more nodes on the same link are said to be neighbors.
true
If a host's IPv6 address contains the network adapter's MAC address within the last 64 bits of the IPv6 address, what standard is being used?
EUI-64
In the DNS hierarchy, where is information about how to find the top-level domain servers held?
On the DNS root servers.
Which of the following protocols is used as a signaling protocol for the initial connection between hosts, but does not participate in data transfer during the session?
SIP
In a DNS zone, what type of record holds the name-to-address mapping for IPv6 addresses?
AAAA record
What is by far the most popular DNS server software available?
BIND
Your supervisor has asked you to configure a new prototype network with a dual stack configuration. What does this mean?
Both IPv4 and IPv6 protocols will be used on the network.
Choose the hexadecimal representation of the binary number 11000011.
C3
What does the MX record do in a forward DNS zone?
It identifies the e-mail server to be used for e-mail traffic for the domain.
What statement regarding the Server Message Block protocol is accurate?
It is used by Windows and UNIX-based operating systems to share files.
An IPv6 address consists of 128 bits that are written as 10 blocks of hexadecimal numbers separated by colons.
false
The 1024 - 65535 range of ports is also known as the "well-known" range.
false
The FTP protocol utilizes UDP, while TFTP uses TCP for data transmission.
false
The subnet mask 255.255.255.0 is the only subnet mask that can be used for a Class C network.
false
On a Linux-based system, what command can be used to display TCP/IP information associated with every interface on the system?
ifconfig -a
What command can you utilize to display TCP/IP configuration information for each network adapter installed?
ipconfig /all
A characteristics of the OUI of a MAC address is that:
it can be used to identify the manufacturer.
What type of IPv6 address is fe80::8cf1:2c42:ffde:da1c?
link local address
Encrypted control of remote computers using the RDP protocol is accomplished using what port number?
TCP 3389
You are troubleshooting a network issue on a client computer and discover that the network card has an IP address of 169.254.196.200. What does this mean?
The computer is configured to use DHCP, but was unable to lease an address.
