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- Question
You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create an application. The application uses the ADO.NET Entity Framework to model entities. The application allows users to make changes to entities while disconnected from the central data store. You need to ensure that when the user connects to the central data store and retrieves new data, the application meets the following requirements: Changes made to the local data store in disconnected mode are preserved. Entities that have already been loaded into the local data store, but have not been modified by the user, are updated with the latest data. What should you do?
Options- A. Call the query's Execute method by using the MergeOptions.AppendOnly option.
- B. Call the query's Execute method by using the MergeOptions.OverwriteChanges option.
- C. Call the Refresh method of ObjectContext by using the RefreshMode.StoreWins option.
- D. Call the Refresh method of ObjectContext by using the RefreshMode.ClientWins method.
- Correct Answer
- Call the Refresh method of ObjectContext by using the RefreshMode.ClientWins method.
- 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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