IT1600 Local Area Networking
Under the class system, what was the default subnet mask of Class C addresses?
255.255.255.0
The Windows _______________ utility shows the route that a packet takes to get to its destination.
tracert
What is the Linux/Mac OS equivalent of ipconfig?
ifconfig
What command-line utility would you run to show a list of network computers?
net view
In a TCP/IP network, the _______________ is used to block out the network portion of an IP address.
subnet mask
After making a long CAT5 cable, the technician fears that the cable may have been damaged during the pull, but does not have a cable tester. Which of the following would be the BEST alternative tool to determine whether there are any breaks or shorts in the cable?
Multimeter
The IP address 2001:0db8:85a3:0000:0000:8a2e:0370:7334 is an example of a(n) _______________ address.
IPv6
What is a common symptom of a bad network cable?
No link lights
You are down under your desk organizing some wires when you notice that the activity light on your NIC is blinking erratically. Is there a problem?
No, the light blinds when there is network traffic
CIDR stands for _______________.
Classless Inter-Domain Routing
Joe, a customer, states that since the new firewall has been installed, he has not been able to send email. Which of the following ports on the firewall should be checked?
25
A standard Internet mail account receives incoming messages on which of the following ports?
110
How many host nodes are supported on a single class C network?
254
Which of the following is an example of a Class C TCP/IP address?
197.27.37.57
In the IPv6 address 2001::3210:800:200C:CF:1234, how many groups of four zeros does the "::" notation represent?
2
Which of the following WLAN protocols is in the 5GHz band with a MAXIMUM data rate of 54Mbps?
802.11a
Multicast addresses fall in which of the following classful address ranges?
Class D
An IP address of 10.10.1. 180 would be considered part of which of the following address classes?
Class A
A PC cannot connect to the network. A network card was purchased without documentation or driver discs. Which of the following is the BEST way to install it into this machine?
Copy drivers to flash drive and install
Which of the following Internet connection types will offer a more consistent upload and download speed?
Fiber
Which of the following should be configured on a wireless router to block port 3389?
Firewall
Which is the department of ICANN that oversees global IP address allocation, autonomous system number allocation, root zone management in the Domain Name System (DNS), media types, and other Internet Protocol-related symbols and numbers.
Internet Assigned Numbers Authority (IANA) or Public Technical Identifiers (PTI) starting 2016
What benefit does full-duplex offer?
It enables NICs to send and receive signals at the same time.
The IPv6 address FE80::12C7:388B:CF:7114 represents what type of address?
Link-local
What small device enables you to test a NIC's circuitry?
Loopback plug
A technician needs to attach a network cable to a wall jack in the conference room. After running the cable through the conduit to the conference room, which of the following tools would BEST be used to connect the cable to the wall jack?
Punchdown
Which of the following devices uses MAC tables to allow multiple computers to access a single network connection?
Switch
After entering IPCONFIG at a command prompt, you notice you are using an IP address in the 169.254.0.1 to 169.254.255.254 address range. What is most likely explanation for being assigned one of these addresses?
The DHCP server is down.
A user is trying to use Remote Desktop to connect to another computer on the LAN. The connection fails. The technician opens up a command prompt and types the following. "telnet computername 3389" and also gets the same error message. Which of the following is the MOST likely cause of this error, assuming that the OS firewall has been disabled?
The RDP connection has been configured to use a non-standard port.
What instrument measures the impedance of a cable?
Time-domain reflectometer
A technician completing a server room build out encounters a bundle of un-terminated network cables that are not labeled. Which of the following tools would be the BEST to determine which devices the cables are run to?
Toner probe
I want to create a fast paced internet game what protocol should I use?
UDP
Which of the following is an advantage of an IPv6 network?
Virtually unlimited number of network addresses
Part of an IP address identifies the network ID, and another part identifies the _______________ ID on the network.
host
What command would you use to view the path taken by an Ethernet packet?
tracert