- 1. Ethernet operates at two layers of the OSI model, the Data-Link Layer and the _____________ Layer.
A) network
B) physical
C) transport
D) application
- 2. "Interframe spacing" refers to the minimum interval, measured in bit-times, that any station must wait before sending another _____________.
A) radio wave
B) frame
C) wireless wave
D) interrupt signal
- 3. "Interframe spacing" also refers to the the time allowed for slow stations to process a frame and prepare for the next _______________.
A) wireless wave
B) frame
C) radio wave
D) interrupt signal
- 4. The 3 primary functions of DATA-LINK Layer encapsulation are: addressing, frame delimiting, and error _________________.
A) fragmentation
B) correction
C) limitation
D) detection
- 5. In a CSMA/CD network, if collisions occur, the hosts return to a listen-before-transmit ____________.
A) network
B) server
C) mode
D) switch
- 6. The Upper Data Link Sublayer has 3 primary roles: insulates the network layer protocols from changes in the physical equipment, makes the connection with the upper layers, and identifies the network layer ________________.
A) port
B) application
C) protocol
D) address
- 7. The LLC sublayer in Ethernet standards is represented by the _______________ 802.2 standard.
A) IEEE
B) Microsoft
C) IMG
D) ISO
- 8. Why would hosts on an Ethernet LAN experiencing a collision delay before sending another frame?
A) they can't help it, cheap devices
B) to avoid another collision
C) to speed up the network
D) the tables aren't updated
- 9. In an ETHERNET frame, there are three main parts: header, data, and trailer. The Data FIELD is really the encapsulated ______________ layer packet.
A) session
B) application
C) network
D) presentation
- 10. In a CSMA/CD LAN, increased collisions can decrease network _________________________.
A) expansion
B) domains
C) performance
D) collisions
- 11. Ethernet operates at which layer of the TCP/IP Network Model?
A) application
B) transport
C) network access
D) Internet
- 12. The primary responsibility of the ARP is to resolve IPv4 addresses to _______________ addresses.
A) MAC
B) street
C) super
D) house
- 13. MAC addresses are copied into RAM during system startup, they contain a 3-byte OUI, and they are ________ bytes long.
A) 6000
B) 600000
C) 6
D) 600
- 14. In Ethernet-based networks, Switches are preferred because they increase the throughput of data transfers, and ___________________ collisions.
A) maximize
B) minimize
C) duplicate
D) stop
- 15. In Ethernet networks the 2 most common media types are FIBER and copper-based __________.
A) radicalized signaling
B) wireless
C) UTP
D) STP
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