How do you prevent users from changing the structure of a form?
A. Click the Protect Document button in the Protect group.
B. Click the Protect Document button in the Restrictions group.
C. Click the Restrict Editing button in the Restrictions group.
D. Click the Restrict Editing button in the Protect group.
Answer: D
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The Windows Firewall configurable exception that is used for machine counting and license compliance in enterprise environments is________
a. Key Management Service b. Netlogon Service c. Network Discovery d. Windows Remote Management
If you choose to have Expression Web add a border when an auto thumbnail is created, a(n) ____ is generated and applied to the thumbnail.
A. style B. attribute rule C. CSS tag D. HTML tag
Answer the following questions (and explain how you arrived at your solutions).
Consider the following relations that represent part of a real estate database:
Agent(Id, AgentName)
House(Address, OwnerId, AgentId)
Amenity(Address, Feature)
The Agent relation keeps information on real estate agents, the House relation has information
on who is selling the house and the agent involved, and the Amenity relation provides
information on the features of each house. Each relation has its keys underlined.
Consider the following query:
SELECT H.OwnerId, A.AgentName
FROM House H, Agent A, Amenity Y
WHERE H.Address=Y.Address AND A.Id = H.AgentId
AND Y.Feature = '5BR' AND H.AgentId = '007'
Assume that the buffer space available for this query has 5 pages and that the following statistics and indices are available:
- Amenity:
10,000 records on 1,000 houses, 5 records/page
Clustered 2-level B+ tree index on Address
Unclustered hash index on Feature, 50 features
- Agent:
200 agents with 10 tuples/page
Unclustered hash index on Id
- House:
1,000 houses with 4 records/page
Unclustered hash index on AgentId
Clustered 2-level B+ tree index on Address
(a) Draw a fully pushed query tree corresponding to the above query.
(b) Find the best query plan to evaluate the above query and estimate its cost.
(c) Find the next-best plan and estimate its cost.
The default line spacing for Word 2016 is 1.08.
Answer the following statement true (T) or false (F)