网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
单选题
Select the statement that best describes The cure for Amplification Principle in the Internetdomain， as explained in RFC 3429 （Internet Architectural Guidelines ）（）？
A
Amplification is prevented if global changes have only a local effect as opposed to systems in which global changes have a local effect
B
Amplification is prevented if local changes have only a local effect as opposed to system inwhich localchange have a global effect
C
Internet domain does not suffer from“The Amplification Principle”as BGP takes care of misbehaving advertisers
D
None of the above
参考答案
参考解析
解析：
暂无解析
更多 “单选题Select the statement that best describes The cure for Amplification Principle in the Internetdomain， as explained in RFC 3429 （Internet Architectural Guidelines ）（）？A Amplification is prevented if global changes have only a local effect as opposed to systems in which global changes have a local effectB Amplification is prevented if local changes have only a local effect as opposed to system inwhich localchange have a global effectC Internet domain does not suffer from“The Amplification Principle”as BGP takes care of misbehaving advertisersD None of the above” 相关考题
考题
The user Sue issues this SQL statement:GRANT SELECT ON sue. EMP TO alice WITH GRANT OPTION; The user Alice issues this SQL statement:GRANT SELECT ON sue. EMP TO reena WITH GRANT OPTION; The user Reena issues this SQL statement:GRANT SELECT ON sue. EMP TO timber;The user Sue issues this SQL statement:REVOKE select on sue. EMP FROM alice;For which users does the revoke command revoke SELECT privileges on the SUE.EMP table?（）A. Alice onlyB. Alice and ReenaC. Alice, Reena, and TimberD. Sue, Alice, Reena, and Timber
考题
In a SELECT statement that includes a WHERE clause, where is the GROUP BY clause placed in the SELECT statement? ()
A. Immediately after the SELECT clauseB. Before the WHERE clauseC. Before the FROM clauseD. After the ORDER BY clauseE. After the WHERE clause
考题
Exhibit:Examine the data in the EMPLOYEES table.Examine the subquery:SELECT last_nameFROM employeesWHERE salary IN (SELECT MAX(salary)FROM employeesGROUP BY department_id);Which statement is true?()
A. The SELECT statement is syntactically accurate.B. The SELECT statement does not work because there is no HAVING clause.C. The SELECT statement does not work because the column specified in the GROUP BY clause is not in the SELECT list.D. The SELECT statement does not work because the GROUP BY clause should be in the main query and not in the subquery.
考题
Examine the description of the MARKS table:SUBJ1 and SUBJ2 indicate the marks obtained by a student in two subjects.Examine this SELECT statement based on the MARKS table:What is the result of the SELECT statement?（）A. The statement executes successfully and returns the student ID and sum of all marks for each student who obtained more than the average mark in each subject.B. The statement returns an error at the SELECT clause.C. The statement returns an error at the WHERE clause.D. The statement returns an error at the ORDER BY clause.
考题
Click the Exhibit button and examine the data in the EMPLOYEES table.Examine the subquery:SELECT last_nameFROM employeesWHERE salary IN (SELECT MAX(salary)FROM employeesGROUP BY department_id);Which statement is true?（）A.The SELECT statement is syntactically accurate.B.The SELECT statement does not work because there is no HAVING clause.C.The SELECT statement does not work because the column specified in the GROUP BY clause is not in the SELECT list.D.The SELECT statement does not work because the GROUP BY clause should be in the main query and not in the subquery.
考题
Which of the following network topologies BEST describes a VPN? ()(Select TWO)
A. Point to PointB. Point to MultipointC. VLAND. RingE. Bus
考题
Which statement describes VRRP object tracking?()
A.It monitors traffic flow and link utilization.B.It ensures the best VRRP router is the virtual router master for the group.C.It causes traffic to dynamically move to higher bandwidth linksD.It thwarts man-in-the-middle attacks.
考题
What is a sub-select statement?A．a select statement that selects a subset of fields in a tableB．a select statement that returns a subset of the data in a tableC．a select statement that appears within another select statementD．a select statement that returns a subset of the constraints on a field
考题
Which statement describes VRRP object tracking?（）A、It monitors traffic flow and link utilization.B、It ensures the best VRRP router is the virtual router master for the group.C、It causes traffic to dynamically move to higher bandwidth linksD、It thwarts man-in-the-middle attacks.
考题
Which statement best describes what Cisco Smart Care Service provides?（）A、bundled technical support and maintenance for Cisco networksB、bundled, unlimited support with the purchase of any Cisco productC、technical support, maintenance, and monitoring to Cisco networksD、fee-based add-on support and tech-to-tech assistance for Cisco products
考题
Which statement best describes the application of link fragmentation and interleaving （LFI）？（）A、It compresses the Layer 2 payload and marks the packet as a high priority to be transmitted firstB、It fragments larger packets and allows VoIP packets to be transmitted in between them.C、It stops the transmission of large packets when priority packets arrive.D、It sends high priority packets in between normal traffic packets.
考题
Which two statements about views are true? （）A、A view can be created as read only.B、A view can be created as a join on two or more tables.C、A view cannot have an ORDER BY clause in the SELECT statement.D、A view cannot be created with a GROUP BY clause in the SELECT statement.E、A view must have aliases defined for the column names in the SELECT statement.
考题
Ⅲ. There are four choices following each statement. Mark the choice that can best complete the statement: If a linguistic study describes and analyzes the language people actually use, it is said to be （）A、prescriptiveB、analyticC、descriptiveD、linguistic
考题
Which of the following network topologies BEST describes a VPN? （）(Select TWO)A、Point to PointB、Point to MultipointC、VLAND、RingE、Bus
考题
Which of the following BEST describes RAID 1?（）A、MirroringB、StripingC、Striping with parityD、Striping with mirroring
考题
From SQL*Plus, you issue this SELECT statement: SELECT* FROM order; You use this statement to retrieve data from a data table for （）.A、UpdatingB、ViewingC、DeletingD、InsertingE、Truncating
考题
Where can subqueries be used?（）A、field names in the SELECT statement B、the FROM clause in the SELECT statement C、the HAVING clause in the SELECT statementD、the GROUP BY clause in the SELECT statement E、the WHERE clause in only the SELECT statement F、the WHERE clause in SELECT as well as all DML statements
考题
In a SELECT statement that includes a WHERE clause, where is the GROUP BY clause placed in the SELECT statement?（）A、Immediately after the SELECT clauseB、Before the WHERE clauseC、Before the FROM clauseD、After the ORDER BY clauseE、After the WHERE clause
考题
单选题The user Sue issues this SQL statement: GRANT SELECT ON sue. EMP TO alice WITH GRANT OPTION; The user Alice issues this SQL statement: GRANT SELECT ON sue. EMP TO reena WITH GRANT OPTION; The user Reena issues this SQL statement: GRANT SELECT ON sue. EMP TO timber; The user Sue issues this SQL statement: REVOKE select on sue. EMP FROM alice; For which users does the revoke command revoke SELECT privileges on the SUE.EMP table?（）A
Alice onlyB
Alice and ReenaC
Alice, Reena, and TimberD
Sue, Alice, Reena, and Timber
考题
单选题Which of the following is the best version of sentence 9 (reproduced below)?Additionally, there is no cure and because there’s n no cure doctors treat the symptoms.A
However, doctors treat the symptoms with the cure for CFS.B
Currently, doctors treat the symptoms because there is no cure for CFS.C
But doctors know there is no cure and because of that they treat the symptoms.D
Since there is no cure for CFS, doctors treat the symptoms without the cure.E
When there are symptoms, doctors treat them without the cure for CFS.
考题
多选题Which of the following network topologies BEST describes a VPN? （）(Select TWO)APoint to PointBPoint to MultipointCVLANDRingEBus
考题
单选题A user issues a SELECT command against the Oracle database. Which of the following choices describes a step that Oracle will execute in support of this statement?（）A
Acquire locks on table queried B
Generate redo for statement C
Fetch data from disk into memory D
Write changes to disk
考题
单选题Which statement best describes Cisco supervisor engine redundancy using Stateful Switchover？（）A
Switchover ensures that Layer 2 through Layer 4 traffic is not interruptedB
Redundancy requires BGP， OSPF， EIGRP， or IS-ISC
Redundancy provides fast supervisor switchover for all Cisco Catalyst 6500 series switchesD
Switchover can be caused by clock synchronization failure between supervisors
考题
单选题A SELECT statement can be used to perform these three functions: 1.Choose rows from a table. 2.Choose columns from a table. 3.Bring together data that is stored in different tables by creating a link between them. Which set of keywords describes these capabilities?（）A
difference, projection, joinB
selection, projection, joinC
selection, intersection, joinD
intersection, projection, joinE
difference, projection, product
考题
多选题From SQL*Plus, you issue this SELECT statement: SELECT* FROM order; You use this statement to retrieve data from a data table for （）.AUpdatingBViewingCDeletingDInsertingETruncating
考题
单选题In a SELECT statement that includes a WHERE clause, where is the GROUP BY clause placed in the SELECT statement? （）A
Immediately after the SELECT clauseB
Before the WHERE clauseC
Before the FROM clauseD
After the ORDER BY clauseE
After the WHERE clause
热门标签
最新试卷
