Which of the following is a valid MAC address? |
A CO-34-FF-15-01-8E |
Which of the following statements accurately describes how a modem works? (Select two.) |
A It demodulates analog data from a telephone network into digital PC data. C It modulates digital data from the PC into analog data and transmits it on a telephone network. |
What type of module might a switch use to allow it to modify the media type supported by a switch port? (Select |
B SFP D GBIC |
At which OSI model layer does a media converter operate? |
A Layer 1 |
Which of the following is a valid MAC address? |
D AB.07.CF.62.16.BD |
A host wants to send a message to another host with the IP address 115.99.80.157. IP does not know the hardware |
F ARP |
You have a server that has a 100BaseFX network interface card that you need to connect to a switch. The switch only |
A Media converter |
What device sends signals from a computer onto a network? |
C Transceiver |
Which of the following is true about the MAC address? (Select two.) |
B It is a 48-bit address. E It is typically represented by hexadecimal numbers. |
Which network component connects a device with the transmission media and allows it to send and receive |
B Network interface card |
A switch is associated with which OSI model layer? |
A Data Link |
Which of the following best describes how a switch functions? |
A It connects multiple cable segments (or devices), and forwards frames to the appropriate segment. |
Which of the following devices operate at OSI model layer Z? (Select two.) |
D switch F Network interface card |
Which three of the following devices operate at the Data Link layer of the OSI model? |
B Network interface cards (NICs) D Bridges E Switches |
Which of the following devices is used on a LAN and offers guaranteed bandwidth to each port? |
B switch |
Your company purchases a new bridge, which filters packets based on the MAC address of the destination computer. |
D Data Link |
An 8-port switch receives a frame on port number 1. The frame is addressed to an unknown device. What will the |
D Send the frame out ports 2-8. |
Which of the following hardware devices regenerates a signal out all connected ports without examining the frame or |
B Repeater D Hub |
How do switches and bridges learn where devices are located on a network? |
B When a frame enters a port, the source MAC address is copied from the frame header. |
At which layer of the OSI model do hubs operate? |
C Physical |
An access point that conforms to the IEEE 802.11b standard acts most closely to what other networking device? |
A Hub |
At what OSI layer does a router operate to forward network messages? |
C Network |
Which of the following hardware devices links multiple networks and directs traffic between networks? |
D Router |
You are the administrator of your company’s network. You want to prevent unauthorized access to your intranet from |
B Firewall |
At which of the following OSI layers does a router operate? |
C Layer 3 |
You are the network administrator for a small organization. Recently, you contracted with an ISP to connect your |
C Firewall |
Which two of the following tasks do routers perform? |
C Maintain information about paths through an internetwork D Route data based on logical network addresses |
Which of the following is the best device to deploy to protect your private network from a public untrusted network? |
C Firewall |
Network Pro Ch 3
Share This
Unfinished tasks keep piling up?
Let us complete them for you. Quickly and professionally.
Check Price