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- Question
How many joining conditions are required to join 4 tables in SQL?
Options- A. 1
- B. 2
- C. 3
- D. 4
- Correct Answer
- 3
ExplanationTo join 'n' tables 'n-1' conditions should be satisfied.
So to join 4 tables 3 conditions should be satisfied.
- 1. Which proprietary Cisco STP extensions would put a switch port into err-disabled if a BPDU is received on this port? Discuss
- 2. Which Cisco 802.1d extension stops BPDU from being transmitted out a port? Discuss
- 3. You want to improve network performance by increasing the bandwidth available to hosts and limit the size of the broadcast domains. Which of the following options will achieve this goal?
Options- A. Managed hubs
- B. Bridges
- C. Switches
- D. Switches configured with VLANs Discuss
- 4. What command would you use to set an access list on a VTY line? Discuss
- 5. What is the meaning of amber SYST led on a 2960 switch?
Options- A. This is normal operation
- B. There is a bridging loop
- C. The switch IOS is loading
- D. The switch failed its POST Discuss
- 6. What is the formula for ranking keyword-targeted ads on the Search Network? Discuss
- 7. What are the minimum requirements to run an ad on the Search Network? Discuss
- 8. Why should you use the Ad Preview and Diagnosis tool to check if your ads are live and running on Google? Discuss
- 9. Why is it important to monitor ad campaign performance? Discuss
- 10. What is one way you can increase CTRs? Discuss
More questions
Correct Answer: BPDUGuard
Correct Answer: PortFast
Correct Answer: Switches configured with VLANs
Explanation:
By creating and implementing VLANs in your switched network, you can break up broadcast domains at layer2. For hosts on different VLANs to communicate, you must have a router or layer 3 switch.
Correct Answer: line vty 0 4 access - class 110 in
Correct Answer: The switch failed its POST
Explanation:
Explanation: When the switch failed its POST, Power-On Self Test, the SYST led will turn amber and the IOS did not load
Correct Answer: (Maximum Cost Per Click) x (Quality Score)
Correct Answer: Text ad, keyword list, and a default bid
Correct Answer: By searching for keywords that trigger your ad, you can rack up impressions without clicks, which may lower your Click-Through Rate, which may prevent your ad from appearing as often as it is eligible
Correct Answer: In order to determine if campaigns meet business marketing and conversion goals
Correct Answer: Add negative keywords to the ad group to reduce irrelevant impressions
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