Which three commands allow you to verify the current state of your BGP neighbors？（）

A.shutdown

B. deactivate

C. disable

D. down

E. delete

se commands will you need to issue in order to enable syslog messages to be sent to the syslog server at the IP address 10.1.5.5？ （）(Choose three.)

A. logging on

B. logging host 10.1.5.5

C. logging console notifications

D. logging trap notifications

A. user@router# traceroute 10.10.10.10

B. user@router＞ ping record-route 10.10.10.10

C. user@router＞traceroute 10.10.10.10

D. user@router# run traceroute 10.10.10.10

E. user@router# ping record-route 10.10.10.10

same system with the name DUPDB.You issued the following RMAN commands to create a duplicate database:Which three are the prerequisites for the successful execution of the above command？（）

A. The source database should be open

B. The target database should be in ARCHIVELOG mode if it is open

C. RMAN should be connected to both the instances as SYSDBA

D. The target database backups should be copied to the source database backup directories

E. The password file must exist for the source database and have the same SYS user password as the target

ing hours, customers complain that they experience intermittent data loss and they intermittently fail to connect to crucial servers. As shown in the following topology, the 802.1Q trunk between DSW111 and ASW1 fails. Though DSW112 is in the service of HSRP group 11, the SVI for VLAN 11 is up on DSW111.So as to figure out the problem,which three commands should you issue on DSW111？ （）(Choose three.)

A. show standby vlan 11 brief

B. show interfaces vlan 11

C. show spanning-tree vlan 11

D. show interfacesmod/port trunk

A. After the router ospf 10 and passive - interface s0/0 commands have been issued , the s0/0 interface will not send any OSPF updates, but will receive routing updates on that interface

B. When you use the passive - interface command with RIPv2, multicasts are sent out the specified interface

C. After the router rip and passive -interface s0/0 commands have been issued, the s0/0 interface will not send any RIP updates, but will receive routing updates on that interface

D. When you use the passive - interface command with EIGRP, hel lo messages are not sent out the specified interface

E. After the router eigrp 10 and passive - interface s0/0 commands have been issued, the s0/0 interface will not send any EIGRP updates, but will receive routing updates on that interface

F. When you use the passive - interface command with OSPF, hello messages are not sent out the specified interface

Examine the following command:CREATE TABLE (prod_id number(4),Prod_name varchar2 (20),Category_id number(30),Quantity_on_hand number (3) INVISIBLE);Which three statements are true about using an invisible column in the PRODUCTS table？（）

A. The %ROWTYPE attribute declarations in PL/SQL to access a row will not display the invisible column in the output.

B. The DESCRIBE commands in SQL *Plus will not display the invisible column in the output.

C. Referential integrity constraint cannot be set on the invisible column.

D. The invisible column cannot be made visible and can only be marked as unused.

E. A primary key constraint can be added on the invisible column.

en them. Each router has been configured with the appropriate network statements under router ospf 1, but the routers are not forming an adjacency. Which of the following three commands could be configured on each router to correct this problem？（）

A. RouterC(config - if)#ip ospf network broadcast RouterD(config - if)#ip ospf network broadcast

B. RouterC(config - if)#ip ospf network point - to - point RouterD(config - if)#ip ospf network point - to - point

C. RouterC(config - router)#neighbor 10.100. 100.4 RouterD(config - router)#neighbor 10.100.100.3

D. RouterC(config - router)#neighbor 10.255.255.254 RouterD(config - router)#neighbor 10.255.255.253

In your database, the flash recovery area (FRA) is configured as the default for RMAN backups. You executed the following commands to configure the settings in RMAN:RMAN＞ CONFIGURE DEVICE TYPE disk PARALLELISM 2 BACKUP TYPE TO BACKUPSET;RMAN＞ CONFIGURE CHANNEL 1 DEVICE TYPE disk FORMAT ‘/home/oracle/disk1/%U‘;RMAN＞ CONFIGURE CHANNEL 2 DEVICE TYPE disk FORMAT ‘/home/oracle/disk2/%U‘;You issue the following RMAN command to backup the database:RMAN＞ RUN2＞ {3＞ ALLOCATE CHANNEL ch1 DEVICE TYPE disk;4＞ BACKUP DATABASE;5＞ }Which statement is true about the outcome？（）

A. Only one channel is allocated and the backup is created in the flash recovery area

B. Only one channel is allocated and the backup is created in the destination specified for channel 1

C. Two channels are allocated and backup sets are created in the destinations specified for channels 1 and 2

D. Three channels are allocated and backup sets are created in the destinations specified for channels 1, 2, and FRA

Which of the following commands is not for communication among users？

A．mail

B．write

C．telnet

D．nice