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单选题
After issuing the nfsstat -rs command， the null received column starts to grow. This indicates which of the following conditions？（）
A
Not enough NFS daemons running
B
Too many NFS daemons running
C
nfs_tcp_socketsize is too small
D
nfs_tcp_socketsize is too large
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更多 “单选题After issuing the nfsstat -rs command， the null received column starts to grow. This indicates which of the following conditions？（）A Not enough NFS daemons runningB Too many NFS daemons runningC nfs_tcp_socketsize is too smallD nfs_tcp_socketsize is too large” 相关考题
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After the performance, the singer received a bunch of flowers and took a ().
A、bowB、leapC、leadD、lift
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After issuing the show interfaces terse command, you notice that the status of one interface is "up down". What does this indicate?"()
A.Layer 1 on the interface is up but Layer 2 is down.B.Layer 2 on the interface is up but Layer 3 has not been configured.C.The interface is administratively up but the link status is down.D.The interface is up but has been administratively turned off.
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The following statements:CREATE TABLE t1 (col1 INT NOT NULL, PRIMARY KEY(col1)); CREATE TABLE t2 (col1 INT NOT NULL, col2 CHAR(1) NOT NULL, PRIMARY KEY (col1, col2), FOREIGN KEY (col1) REFERENCES t1 (col1) ON DELETE CASCADE ON UPDATE RESTRICT); CREATE TABLE t3 (col1 INT NOT NULL, col2 INT NOT NULL, PRIMARY KEY (col1, col2),FOREIGN KEY (col1) REFERENCES t1 (col1) ON DELETE NO ACTION ON UPDATE RESTRICT);INSERT INTO t1 VALUES (1), (2); INSERT INTO t2 VALUES (1, ‘a‘), (1, ‘b‘), (2,‘c‘); INSERT INTO t3 VALUES (1, 100), (2, 200), (2,300);How many rows will be deleted by the following DELETE statement? DELETE FROM t1 WHERE col1= 1;（）A.4B.3C.1D.0
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Five minutes after issuing the show running-config command, a technician enters the command again and notices that several access list statements have been altered. Because of this, the technician believes that the router is being configured by an unknown person through Telnet. Before changing the router passwords, the technician would like to discover if anyone is connected to the router by Telnet and stop them from making further changes.Which commands will accomplish these options?（）A. show hostsB. show sessionsC. show connectionsD. disconnectE. CTRL+SHIFT+6xF. exit
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Five minutes after issuing the show running-config command, a technician enters the command again and notices that several access list statements have been altered. Because of this, the technician believes that the router is being configured by an unknown person through Telnet. Before changing the router passwords, the technician would like to discover if anyone is connected to the router by Telnet and stop them from making further changes. Which commands will accomplish these options?（）A、show hostsB、show sessionsC、show connectionsD、disconnectE、CTRL+SHIFT+6xF、exit
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What are three results of issuing the switchport host command？ （）A、enables PortFastB、disables trunkingC、disables Cisco Discovery ProtocolD、enables port securityE、enables loopguardF、disables EtherChannel
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NFS is experiencing name service resolution difficulties. Which command reports the LEAST useful information in trouble-shooting this problem？（）A、nfsstat -sB、lssrc -s namedC、ls -l /etc/resolv.confD、nslookup hostname
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If a unique constraint is defined on column COL1 of table TAB1, what are the characteristics of COL1?（）A、COL1 will accept NULL values and can be referenced in another table's foreign key specification.B、COL1 will not accept NULL values and cannot be referenced in another tables foreign key specification.C、COL1 will not accept NULL values and can be referenced in another tables foreign key specification.D、COL1 will accept NULL values and cannot be referenced in another tables foreign key specification.
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What is the result of issuing the frame-relay map ip 192.168.1.2 202 broadcast command?（）A、defines the source IP address that is used in all broadcast packets on DLCI 202B、defines the DLCI that is used for all packets that are sent to the 192.168.1.2 IP addressC、defines the destination IP address that is used in all broadcast packets on DLCI 202D、defines the DLCI on which packets from the 192.168.1.2 IP address are received
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What is the result of issuing the frame-relay map ip 192.168.1.2 202 broadcast command?（）A、defines the source IP address that i s used in all broadcast packets on DLCI 202B、defines the DLCI that is used for all packets that are sent to the 192.168.1.2 IP addressC、defines the destination IP address that is used in all broadcast packets on DLCI 202D、defines the DLCI on which packets from the 192.168.1.2 IP address are received
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After issuing the nfsstat -rs command， the null received column starts to grow. This indicates which of the following conditions？（）A、 Not enough NFS daemons runningB、 Too many NFS daemons runningC、 nfs_tcp_socketsize is too smallD、 nfs_tcp_socketsize is too large
考题
While reviewing cluster logs， and administrator notice that an event， network_down rs232a， occurred on the previous day. After verifying the physical network connections and device states， what command can be used to verify the cluster state？（）A、 clstatB、 cllsifC、 clsnapshotinfoD、 clcheck_server
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The nfsstat -c command shows zero badxid， but retrans and timeouts are sizeable， what is the most probable cause of the problem？（）A、 Too many nfsd’s runningB、 Client and server with different buffer sizesC、 Bridges， routers or gateways are receiving too many fragmentated packetsD、 Too few nfsd’s running
考题
In RMAN， when the RESYNC CATALOG command is issued， in which two situations does the command file actually perform synchronization？（）A、After the COPY command.B、After adding a data file in the target database.C、After adding a tablespace in the target database.D、After adding a tablespace in the catalog database.E、After dropping a data file in the catalog database.F、After running SQL Loader to load a large amount of data.
考题
When issuing the CROSSCHECK command in RMAN， if a backup file CANNOT be found， to what status is that file set？（）A、DELETEDB、OBSOLETEC、EXPIREDD、UNKNOWN
考题
You issue the following RMAN command to set a retention policy on a database: RMANCONFIGURE RETENTION POLICY TO REDUNDANCY 2; What will be the outcome of issuing this command? （）A、After two days, a backup will be marked obsoleteB、After two days, a backup will be deleted from the mediaC、If the RMAN repository has records of two or more recent backups of a file, then older backups will be deleted from the media.D、If the RMAN repository has records of two or more recent backups of a file, then older backups will be marked obsolete.
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单选题A reimbursing bank has received a valid claim under its reimbursement undertaking and is instructed by the issuing bank not to honour the claim. In accordance with the URR725, the reimbursing bank should: （）A
Reques tthe claiming bank to cancel the claimB
Instruct the claiming bank to contac tthe beneficiaryC
Honour the claim and debit the issuing bank’s accountD
Dishonour the claim as per the issuing bank’s instruction
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单选题If a unique constraint is defined on column COL1 of table TAB1, what are the characteristics of COL1?（）A
COL1 will accept NULL values and can be referenced in another table's foreign key specification.B
COL1 will not accept NULL values and cannot be referenced in another tables foreign key specification.C
COL1 will not accept NULL values and can be referenced in another tables foreign key specification.D
COL1 will accept NULL values and cannot be referenced in another tables foreign key specification.
考题
单选题After issuing the show interfaces terse command, you notice that the status of one interface is "up down". What does this indicate?"（）A
Layer 1 on the interface is up but Layer 2 is down.B
Layer 2 on the interface is up but Layer 3 has not been configured.C
The interface is administratively up but the link status is down.D
The interface is up but has been administratively turned off.
考题
单选题You issue the following RMAN command to set a retention policy on a database： RMANCONFIGURE RETENTION POLICY TO REDUNDANCY 2； What will be the outcome of issuing this command？（）A
After two days，a backup will be marked obsoleteB
After two days，a backup will be deleted from the mediaC
If the RMAN repository has records of two or more recent backups of a file，then older backups will be deleted from the media.D
If the RMAN repository has records of two or more recent backups of a file then older backups will be marked obsolete.
考题
单选题After issuing the "show version" command on your Cisco router, you notice that the image is named "C7200-ajs40-mx". What does the C7200 portion of the filename represent?（）A
The memory capacity requirementsB
The hardware product platformC
The distribution channelD
The feature capabilitiesE
The run location and compression status
考题
多选题What are three results of issuing the switchport host command？ （）Aenables PortFastBdisables trunkingCdisables Cisco Discovery ProtocolDenables port securityEenables loopguardFdisables EtherChannel
考题
单选题While reviewing cluster logs， and administrator notice that an event， network_down rs232a， occurred on the previous day. After verifying the physical network connections and device states， what command can be used to verify the cluster state？（）A
clstatB
cllsifC
clsnapshotinfoD
clcheck_server
考题
单选题The following statements: CREATE TABLE t1 (col1 INT NOT NULL, PRIMARY KEY(col1)); CREATE TABLE t2 (col1 INT NOT NULL, col2 CHAR(1) NOT NULL, PRIMARY KEY (col1, col2), FOREIGN KEY (col1) REFERENCES t1 (col1) ON DELETE CASCADE ON UPDATE RESTRICT); CREATE TABLE t3 (col1 INT NOT NULL, col2 INT NOT NULL, PRIMARY KEY (col1, col2),FOREIGN KEY (col1) REFERENCES t1 (col1) ON DELETE NO ACTION ON UPDATE RESTRICT);INSERT INTO t1 VALUES (1), (2); INSERT INTO t2 VALUES (1, 'a'), (1, 'b'), (2,'c'); INSERT INTO t3 VALUES (1, 100), (2, 200), (2,300); How many rows will be deleted by the following DELETE statement? DELETE FROM t1 WHERE col1= 1;（）A
4B
3C
1D
0
考题
多选题Five minutes after issuing the show running-config command, a technician enters the command again and notices that several access list statements have been altered. Because of this, the technician believes that the router is being configured by an unknown person through Telnet. Before changing the router passwords, the technician would like to discover if anyone is connected to the router by Telnet and stop them from making further changes. Which commands will accomplish these options?（）Ashow hostsBshow sessionsCshow connectionsDdisconnectECTRL+SHIFT+6xFexit
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