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- Question
Acknowledgments, sequencing , and flow control are characteristics of which OSI layer?
Options- A. Layer 2
- B. Layer 3
- C. Layer 4
- D. Lawer 7
- Correct Answer
- Layer 4
ExplanationA reliable Transport layer connection uses acknowledgments to make sure all data is transmitted and received reliably. A reliable connection is defined by a virtual circuit that uses acknowledgments, sequencing, and flow control, which are characteristics of the transport layer.
- 1. Which two descriptions are correct about characteristics of IPv6 unicast addressing? (Choose two) A. Global addresses start with 2000::/3. B. Link-local addresses start with FF00::/10. C. Link-local addresses start with FE00:/12. D. There is only one loopback address and it is ::1. Discuss
- 2. What are the six OSPF route types? Discuss
- 3. How many non- overlapping channels are available with 802.11b?
Options- A. 3
- B. 12
- C. 23
- D. 40 Discuss
- 4. Which IEEE committee has been sanctioned by WAP and is called WPA2? Discuss
- 5. When a station sends a transmission to the MAC address ff : ff : ff : ff : ff : ff, what type of transmission is it?
Options- A. Unicast
- B. Multicast
- C. Anycast
- D. Broadcast Discuss
- 6. In the operation of CSMA/CD, which host(s) have priority after the expiration of the backoff algorithm?
Options- A. All hosts have equal priority
- B. The two hosts that caused the collision will have equal priority
- C. The host that sent the jam signal after the collision
- D. The host with the highest MAC address Discuss
- 7. What is the Classs A Private IP address space? Discuss
- 8. What is the Class C private IP address space? Discuss
- 9. To use VLSM, what capability must the routing protocols in use possess?
Options- A. Support for multicast
- B. Multi-protocol support
- C. Transmission of subnet mask information
- D. Support for unequal load balancing Discuss
- 10. If you wanted administrators to see a message when logging into the router, which command would you use?
Options- A. message banner motd
- B. banner message motd
- C. banner motd
- D. message motd Discuss
More questions
Correct Answer: : A , D Explanation: An IPv6 Unicast address identifies a single network interface The Internet Protocol delivers packets sent to a unicast address to that specific interface
Correct Answer: Intra-area, inter area, El, E2, Nl, and N2
Correct Answer: 3
Explanation:
The IEEE 802.11b standard provides three non-overlapping channels.
Correct Answer: The IEEE 80211i standard has been sanctioned by WPA and is termed WPA version 2
Correct Answer: Broadcast
Explanation:
A transmission to the MAC address ff : ff : ff : ff : ff : ff is a broadcast transmission to all stations.
Correct Answer: All hosts have equal priority
Explanation:
After the expiration of the backoff algorithm , all hosts have equal priority.
Correct Answer: 10000 through 10255255255
Correct Answer: 19216800 through 192168255255
Correct Answer: Transmission of subnet mask information
Explanation:
To use VLSM, the routing protocols in use possess the capability to transmit subnet mask information.
Correct Answer: banner motd
Explanation:
The typical banner is a message of the day (MOTD) and is set by using the global configuration mode command banner motd.
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