Not enough NFS daemons running
Too many NFS daemons running
nfs_tcp_socketsize is too small
nfs_tcp_socketsize is too large
第1题：
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.
第2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
第3题：
A、bow
B、leap
C、lead
D、lift
第4题：
NFS is experiencing name service resolution difficulties. Which command reports the LEAST useful information in trouble-shooting this problem？（）
第5题：
What are three results of issuing the switchport host command？ （）
第6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
第7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?（）
第8题：
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)
第9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?（）
第10题：
If a unique constraint is defined on column COL1 of table TAB1, what are the characteristics of COL1?（）