Which is a valid identifier？（） 

A . 172.31.128.255./18 B . 255.255.255.255 C . 192.168.24.59/30 D . 224.0.0.5 E . All of the above

A .  Access-reject B .  Access-response C .  Access-challenge D .  Access-reply E .  Access-accept

A . NSAPI B . TLLI C . SAPI D . TEID

A . ff02：a：b：c：：l/64 B . 2001：aaaa： 1234：456c： 1/64 C . 2001：000a：lb2c：：/64 D . 2fff：f：f：f：：f/64 E . ff02：33ab：l：32：：2/128 F . 2001：bad：2345：a：b：：cef/128

A . _class B . $value$ C . zer@ D . ¥ngstr E . 2muchuq

A . redundant Cisco CRS Engines and a simplex database server   B . redundant Cisco CRS Engines with five simplex VoIP monitoring servers   C . redundant Cisco CRS Engines and databases running on two different nodes outside of the Cisco CRS cluster   D . redundant Cisco CRS Engines and databases with two VoIP monitoring servers and three recording server

A .  Accent expansion B .  Canonical equivalence C .  Reverse secondary sorting D .  Ignorable characters E .  Character rearrangement

A .  The value returned needs to be cast to an int. B .  The getAttribute methos takes two arguments. C .  Primitive CANNOT be stored in the HttpSession. D .  The HttpSession attribute name must NOT exceed eight characters.

A .  false B .  default C .  _object D .  a-cla

A . Language B . Linguistic sort C . Calendar D . Territory E . Character set

A . Blocking B . Auto C . Desirable D . On E . Transparent F . Learning

A .  false B .  default C .  _object D .  a-cla

A . 0000.0C07.AC15 B . 0000.5E00.01A3 C . 0007.B400.AE01 D . 0007.5E00.B301

A . Restore the data file and perform incomplete recovery. B . Restore the data file and perform point-in-time recover. C . Drop the tablespace and lose all data in the tablespace. D . Restore the database and lose all data since the last backup.

A . It strives to protect access to design documentation. B . It facilitates customer deployments that are more predictable. C . It facilitates customer deployments that are less reliable. D . It incorporates products and technologies into a broad portfolio.

A . CRS 4.0 running with Cisco Unified CallManager 4.0   B . CRS 4.1 running with Cisco Unified CallManager 4.1   C . CRS 4.0 running with Cisco Unified CallManager 4.1   D . CRS 3.5 running with Cisco Unified CallManager 3.3

A .  Language B .  Linguistic sort C .  Calendar D .  Territory E .  Character set

A . The TCAM has reached capacity B . An unknown destination MAC address C . A packet being discarded due to a security violation D . A Telnet packet from a session being initiated with the switch E . Routing protocols sending broadcast traffic F . A packet belonging to a GRE tunnel

A . Accent expansion B . Canonical equivalence C . Reverse secondary sorting D . Ignorable characters E . Character rearrangement

A . CREATE TABLE EMP9$# AS (empid number(2)); B . CREATE TABLE EMP*123 AS (empid number(2)); C . CREATE TABLE PACKAGE AS (packid number(2)); D . CREATE TABLE 1EMP_TEST AS (empid number(2))

A . 129.0.0.99 B . 129.255.0.1 C . 224.0.0.1 D . 254.0.0.1

A . CD/DVD burner B . floppy disk C . tape drive D . USB disk

A .  Backing up the control file to trace B .  Copying the existing control file of the database to the backup location during a hot backup  C .  Copying the existing control file of the database to the backup location during a cold backup D .  Creating a backup control file E .  Using the create controlfile command