单选题After issuing the nfsstat -rs command， the null received column starts to grow. This indicates which of the following conditions？（）ANot enough NFS daemons runningBToo many NFS daemons runningCnfs_tcp_socketsize is too smallDnfs_tcp_socketsize is too la

题目
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

相似考题

1.After the performance, the singer received a bunch of flowers and took a ().A、bowB、leapC、leadD、lift

2.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.

3.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

4.After circling around the earth for three days, Shenzhou Spaceship received the command from the ground that _____（它着陆）as scheduled the next day. (land)

参考答案和解析
正确答案： B
解析： 暂无解析
更多“After issuing the nfsstat -rs command， the null received col”相关问题

  • 第1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?（）

    A. show hosts

    B. show sessions

    C. show connections

    D. disconnect

    E. CTRL+SHIFT+6x

    F. exit


    参考答案：B, D

  • 第2题：

    What are three results of issuing the switchport host command？ （）

    • A、enables PortFast
    • B、disables trunking
    • C、disables Cisco Discovery Protocol
    • D、enables port security
    • E、enables loopguard
    • F、disables EtherChannel

    正确答案:A,B,F

  • 第3题：

    NFS is experiencing name service resolution difficulties.  Which command reports the LEAST useful information in trouble-shooting this problem？（）

    • A、nfsstat -s
    • B、lssrc -s named
    • C、ls -l /etc/resolv.conf
    • D、nslookup hostname

    正确答案:A

  • 第4题：

    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 202
    • B、defines the DLCI that is used for all packets that are sent to the 192.168.1.2 IP address
    • C、defines the destination IP address that is used in all broadcast packets on DLCI 202
    • D、defines the DLCI on which packets from the 192.168.1.2 IP address are received

    正确答案:B

  • 第5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

    正确答案:B

  • 第6题：

    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 running
    • B、 Client and server with different buffer sizes
    • C、 Bridges， routers or gateways are receiving too many fragmentated packets
    • D、 Too few nfsd’s running

    正确答案:B

  • 第7题：

    When issuing the CROSSCHECK command in RMAN， if a backup file CANNOT be found， to what status is that file set？（）

    • A、DELETED
    • B、OBSOLETE
    • C、EXPIRED
    • D、UNKNOWN

    正确答案:C

  • 第8题：

    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 claim

    B

    Instruct the claiming bank to contac tthe beneficiary

    C

    Honour the claim and debit the issuing bank’s account

    D

    Dishonour the claim as per the issuing bank’s instruction


    正确答案： B
    解析： 暂无解析

  • 第9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.


    正确答案： C
    解析： 暂无解析

  • 第10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 requirements

    B

    The hardware product platform

    C

    The distribution channel

    D

    The feature capabilities

    E

    The run location and compression status


    正确答案： B
    解析： 暂无解析

  • 第11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

     clstat

    B

     cllsif

    C

     clsnapshotinfo

    D

     clcheck_server


    正确答案： A
    解析： 暂无解析

  • 第12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?（）
    A

    show hosts

    B

    show sessions

    C

    show connections

    D

    disconnect

    E

    CTRL+SHIFT+6x

    F

    exit


    正确答案： E,A
    解析： 暂无解析

  • 第13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?（）

    • A、show hosts
    • B、show sessions
    • C、show connections
    • D、disconnect
    • E、CTRL+SHIFT+6x
    • F、exit

    正确答案:B,D

  • 第14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 requirements
    • B、The hardware product platform
    • C、The distribution channel
    • D、The feature capabilities
    • E、The run location and compression status

    正确答案:B

  • 第15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.

    正确答案:C

  • 第16题：

    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 202
    • B、defines the DLCI that is used for all packets that are sent to the 192.168.1.2 IP address
    • C、defines the destination IP address that is used in all broadcast packets on DLCI 202
    • D、defines the DLCI on which packets from the 192.168.1.2 IP address are received

    正确答案:B

  • 第17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、 clstat
    • B、 cllsif
    • C、 clsnapshotinfo
    • D、 clcheck_server

    正确答案:A

  • 第18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.

    正确答案:B,C

  • 第19题：

    You issue the following RMAN command to set a retention policy on a database: RMAN>CONFIGURE RETENTION POLICY TO REDUNDANCY 2; What will be the outcome of issuing this command? （）

    • A、After two days, a backup will be marked obsolete
    • B、After two days, a backup will be deleted from the media
    • C、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.

    正确答案:D

  • 第20题：

    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.


    正确答案： A
    解析： 暂无解析

  • 第21题：

    单选题
    You issue the following RMAN command to set a retention policy on a database：   RMAN>CONFIGURE RETENTION POLICY TO REDUNDANCY 2；   What will be the outcome of issuing this command？（）
    A

     After two days，a backup will be marked obsolete

    B

     After two days，a backup will be deleted from the media

    C

     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.


    正确答案： D
    解析： 暂无解析

  • 第22题：

    多选题
    What are three results of issuing the switchport host command？ （）
    A

    enables PortFast

    B

    disables trunking

    C

    disables Cisco Discovery Protocol

    D

    enables port security

    E

    enables loopguard

    F

    disables EtherChannel


    正确答案： C,E
    解析： 暂无解析

  • 第23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

    4

    B

    3

    C

    1

    D

    0


    正确答案： A
    解析： 暂无解析

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