Data Com Ch 3 quiz
In the classful addressing scheme, what range of network addresses is considered a Class B?
128.0.x.y to 191.255.x.y
Which of the following IPv6 addresses represents a global unicast address?
2000::/3
What is the ARPA domain suffix utilized for?
It is used for reverse DNS queries, and holds PTR records.
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 Windows computer on your network is having issues resolving queries for a specific domain, but not other domains. Other computers on the same network resolve the name just fine. What command can you issue that might fix the problem?
ipconfig /flushdns
What type of IPv6 address is fe80::8cf1:2c42:ffde:da1c?
link local address
When using DHCP for IPv6 (i.e. DHCPv6), what port do clients receive responses on?
port 547
At the Transport layer of the OSI, what is used to find and communicate with a particular application running on a host?
port numbers
What command can be used to check a domain computer's time source from a Command Prompt window?
w32tm /query /source
Which of the following IP addresses would be a loopback IP address?
127.0.0.1
In a DNS zone, what type of record holds the name-to-address mapping for IPv6 addresses?
AAAA record
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.
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
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.
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.
How do routers create a broadcast domain boundary?
They do not forward broadcast traffic.
Encrypted control of remote computers using the RDP protocol is accomplished using what port number?
TCP 3389
You are setting up a DNS zone and have been asked to create SPF and DKIM records. What type of DNS record will hold this information?
TXT record
