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 )()?AAmplification is prevented if global changes have only a local effect as opposed to systems in which global changes have a local effectBAmplification is prevented if local changes have only a local effect as opposed to system inwhich localchange have a global effectCInternet domain does not suffer from“The Amplification Principle”as BGP takes care of misbehaving advertisersDNone of the above

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


参考解析

解析: 暂无解析

相关考题:

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

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

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.

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.

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.

Which of the following network topologies BEST describes a VPN? ()(Select TWO) A. Point to PointB. Point to MultipointC. VLAND. RingE. Bus

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.

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

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.

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

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.

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.

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

Which of the following network topologies BEST describes a VPN? ()(Select TWO)A、Point to PointB、Point to MultipointC、VLAND、RingE、Bus

Which of the following BEST describes RAID 1?()A、MirroringB、StripingC、Striping with parityD、Striping with mirroring

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

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

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

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?()AAlice onlyBAlice and ReenaCAlice, Reena, and TimberDSue, Alice, Reena, and Timber

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.AHowever, doctors treat the symptoms with the cure for CFS.BCurrently, doctors treat the symptoms because there is no cure for CFS.CBut doctors know there is no cure and because of that they treat the symptoms.DSince there is no cure for CFS, doctors treat the symptoms without the cure.EWhen there are symptoms, doctors treat them without the cure for CFS.

多选题Which of the following network topologies BEST describes a VPN? ()(Select TWO)APoint to PointBPoint to MultipointCVLANDRingEBus

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?()AAcquire locks on table queried BGenerate redo for statement CFetch data from disk into memory DWrite changes to disk

单选题Which statement best describes Cisco supervisor engine redundancy using Stateful Switchover?()ASwitchover ensures that Layer 2 through Layer 4 traffic is not interruptedBRedundancy requires BGP, OSPF, EIGRP, or IS-ISCRedundancy provides fast supervisor switchover for all Cisco Catalyst 6500 series switchesDSwitchover can be caused by clock synchronization failure between supervisors

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?()Adifference, projection, joinBselection, projection, joinCselection, intersection, joinDintersection, projection, joinEdifference, projection, product

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

单选题In a SELECT statement that includes a WHERE clause, where is the GROUP BY clause placed in the SELECT statement? ()AImmediately after the SELECT clauseBBefore the WHERE clauseCBefore the FROM clauseDAfter the ORDER BY clauseEAfter the WHERE clause

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 )()?AAmplification is prevented if global changes have only a local effect as opposed to systems in which global changes have a local effectBAmplification is prevented if local changes have only a local effect as opposed to system inwhich localchange have a global effectCInternet domain does not suffer from“The Amplification Principle”as BGP takes care of misbehaving advertisersDNone of the above