[单项选择]You are trying to initiate an SSH connection to a remote router and are getting rejected with an error code of 0. Which of these might be the cause of the error?（）
A. The routers are using different SSH versions.
B. You are trying to log in using invalid credentials.
C. The RSA key pair is not properly configured on the SSH client.
D. The RSA key pair is not properly configured on the SSH server.

[单项选择]If you keep trying, you will be able to find a satisfactory job sooner or later.
A. 如果你不断努力，晚些时候你也不可能找到一份称心如意的工作。
B. 只要你不断努力，你会找到一份称心如意的工作。
C. 只要你不断努力，迟早你会找到一份称心如意的工作。
D. 只要你不断努力，到时候你会找到一份称心如意的工作。

[单项选择]You need to control SSH, HTTP, and Telnet access to an MX240 router through any interface.You have decided to use a firewall filter.How should you apply the firewall filter?（）
A. as an outbound filter on interface fxp0
B. as an outbound filter on interface lo0
C. as an inbound filter on interface fxp0
D. as an inbound filter on interface lo0

[单项选择]You are troubleshooting a frame relay connection and wish to view the LMI traffic stats. Which command should you issue?（）
A. Show interface lmi
B. Show frame-relay lmi
C. Show interface frame-relay
D. Debug frame-relay interface.

[单项选择]You are trying to bring up a new Testking location onto your existing frame relay network. The new location is using an Adtran router and you are having difficulties getting the site to connect via frame to your Cisco HQ router. What is the most likely cause of the problem?（）
A. Mismatched LMI types.
B. Incompatible encapsulation types.
C. Mismatching IP addresses.
D. Incorrect DLCI.
E. None of the above

[单项选择]We're trying to ring you back, Bryan, but we think we ______ your number incorrectly.
A. looked up
B. took down
C. worked out
D. brought about

[单项选择]Robert: What are you doing Ellen: Trying to get this wine stain out of the carpet. Robert: Hang on. There's some soda in here. It should take the stain right out. Ellen: Really Hey, （）.
A. it really is functioning
B. it really is working
C. it really is playing
D. it really is influencing

[单项选择]--are you trying to prove to police --Where I was last night.
A. What
B. Why
C. How
D. When

[单项选择]M: What are you doingW: Trying to get this wine stain(污渍)out of the carpet.M: Hang on. There' s some soda here. It should take the stain right out.W: Really Hey______.
A. it is really functioning.
B. it is really working.
C. it is really playing.
D. it is really influencing.

[单项选择]M: What are you doing W: Trying to get this wine stain (污渍) out of the carpet.M: Hang on. There's some soda here. It should take the stain right out.W: Really Hey, ______
A. it is really functioning.
B. it is really working.
C. it is really playing.
D. it is really influencing.

[单项选择]When you are trying to describe a "nice face", ______.
A. you have to refer to a dictionary
B. you have to search your mind hard for proper words
C. you have to say more than necessary
D. you have to compare it with a "nice person"

[单项选择]-- ______ are you trying to prove to police --Where I was last night.
A. What
B. Why
C. How
D. When

[单项选择]You are ______ your time trying to persuade him. He will never join us.
A. spending
B. wasting
C. losing
D. missing

[单项选择]You're ______ your time trying to persuade him; he' II never help you.
A. wasting
B. losing
C. spending
D. missing

[多项选择] You are trying to recover your database. During the recovery process， you receive the following error：   ORA-00279： change 5033391 generated at 08/17/2008 06：37：40 needed for thread 1ORA-00289： suggestion ：  /oracle01/flash_recovery_area/ORCL/archivelog/2008_08_17 /o1_mf_1_11_%u_.arc  ORA-00280： change 5033391 for thread 1 is in sequence #11 ORA-00278： log  file ，，/oracle01/flash_recovery_area/ORCL/archivelog/2008_08_17  /o1_mf_1_10_4bj6wnqm_.arc no longer needed for this recovery Specify log： {=suggested | filename | AUTO | CANCEL} ORA-00308： cannot open archived log  ，，/oracle01/flash_recovery_area/ORCL/archivelog/2008_08_17 /o1_mf_1_11_%u_.arc  ORA-27037： unable to obtain file status Linux Error： 2： No such file or directory Additional information： 3   How do you respond to this error？（）
A.  Restore the archived redo log that is missing and attempt recovery again.
B.  Recovery is complete and you can open the database.
C.  Recovery needs redo that is not available in any archived redo log. Attempt to apply an online redo log if available.
D.  Recover the entire database and apply all archived redo logs again.
E.  Recovery is not possible because an archived redo log has been lost.

[单项选择] You are trying to deploy a configuration job to an IOS access point using the WLSE， but the jobfails. Which of the following would cause this failure？（）
A. SNMP communities
B. Telnet/SSH user/password
C. WLCCP credentials
D. HTTP user/password