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