1. What does the data link layer add to a Layer 3 packet to create a frame? (Choose two.) flags sequence number header trailer 2. What is the function of the last field in a data link layer frame? To determine whether the frame experienced transmission errors To …

1. Which topology displays networking device layer IP addresses? aerial topology IP address topology logical topology physical topology 2. What kind of network would use point-to-point, hub and spoke, or mesh topologies? PAN LAN WLAN WAN 3. Which LAN topology is a hybrid topology? bus extended star ring …

1. What is another name for the OSI data link layer? Layer 1 Layer 2 Layer 3 Layer 6 2. The IEEE 802 LAN/MAN data link layer consists of which two sublayers? (Choose two.) Network Control Protocol Logical Link Control Media Access Control Link Control Protocol 3. What …

1. Which is the hexadecimal equivalent of 202? B10 BA C10 CA 2. Which is the hexadecimal equivalent of 254? EA ED FA FE 3. Which is the decimal equivalent of A9? 168 169 170 171 4. Which of the following is the decimal equivalent of 7D? 124 …

1. Which is the binary equivalent to the 192.168.11.10 IP address? 11000000‬.11000000.00001011‬.‭00001010‬‬ 11000000.10101000‬.00001011‬.‭00001010 11000000.10101000‬.00001010‬.‭00001011‬‬ 11000000.10101000‬.00001011‬.‭00010010‬‬ 2. Which of the following is the binary equivalent to the 172.16.31.30 IP address? 11000000.00010000‬.00011111‬.‭00011110‬‬ 10101000.00010000‬.00011111‬.‭00011110‬‬ 10101100.00010000‬.00011110‬.‭00011110‬‬ 10101100.00010000‬.00011111‬.‭00011110‬‬

1. True or false. Wireless is not well suited for enterprise networks. true false 2. True or false. Wireless LANs operate in full-duplex allowing all devices to send or receive data at the same time so the number of users does not impact performance. true false 3. Which …

1. Which of the following fiber-optic cable types can help data travel approximately 500 meters? multimode single-mode 2. Which of the following fiber-optic cable types use light emitting diodes (LEDs) as a data light source transmitter? multimode single-mode 3. Which of the following fiber-optic cable types use lasers …

1. Which of the following attaches antennas to wireless devices? It can also be bundled with fiber-optic cabling for two-way data transmission. UTP STP coaxial 2. Which of the following counters EMI and RFI by using shielding techniques and special connectors? UTP STP coaxial 3. Which of the …

1. Which media uses patterns of microwaves to represent bits? copper wireless fiber-optic 2. Which media uses patterns of light to represent bits? copper wireless fiber-optic 3. Which media uses electrical pulses to represent bits? copper wireless fiber-optic 4. Which of these is the name for the capacity …

1. True or false? The physical layer is only concerned with wired network connections. true false 2. True or false? When a frame is encoded by the physical layer, all bits are sent over the media at the same time. true false 3. The physical layer of the …