A. Operating system type of the connected PCs
B. Location of the wireless router
C. Number of PCs that will access the network
D. Number of available Ethernet ports on the router
第1题:
Auserwiththeuseridof’joe’isunabletorshfromSYSTEMAtoSYSTEMBwithouthavingtoretypetheirpassword,buttheycanrshfromSYSTEMBtoSYSTEMA.Nootherusersareexperiencingthesameissue.Bothsystemshavea/home/joe/.rhostsfilethatcontaintheproperreferencestotheotherhost.The/home/joe/.rhostsfilesonbothSYSTEMAandSYSTEMBareownedbyuserid’joe’.Whichofthefollowingisthemostlikelycauseofthisproblem?()
A.User’joe’isspecifiedinthe/etc/nologinonSYSTEMA
B.User’joe’isspecifiedinthe/etc/nologinonSYSTEMB
C.Thefilepermissionsonthe/home/joe/.rhostsfileonSYSTEMAiscorrect.
D.Thefilepermissionsonthe/home/joe/.rhostsfileonSYSTEMBisincorrect.
第2题:
当前命令提示符为[user1@localhost root]$,使用哪些用命令一定可以切换到目录/home/user1。()
A.cd /home/user1
B.cd ~
C.cd ../home/user1
D.cd -
第3题:
下列选项中,符合Python命名规范的标识符是
A.user-Password
B.if
C._name
D.setup.exe
第4题:
下列选项中,符合Python命名规范的标识符是____。
A.user-Password
B.if
C._name
D.setup.exe
第5题:
【单选题】创建一个新用户user01,设置其主目录为/home/user01。
A.#useradd –s /home/user01 -m user01
B.#useradd –d /home/user01 user01
C.#useradd –h /home/user01 -m user01
D.#useradd –c /home/user01 -m user01
第6题:
16、当前命令提示符为[user1@localhost root]$,使用哪些用命令一定可以切换到目录/home/user1。()
A.cd /home/user1
B.cd ~
C.cd ../home/user1
D.cd -