2022年IDC工程师面试试题 .pdf

1 IDC 工程师面试试题时间： 90 分钟姓名：得分：一. 网络及系统基础知识，共25 题，每小题 2 分1You want to compile a new kernel. You have just run make dep. What should you do next? Choose the best answer: A. make bzImage B. make dep C. make clean D. make mrproper E. make xconfig 2. which command removes all subdirectories in /tmp, regardless of whether they are non-existent or in use? A. del /tmp/* B. m -rf /tmp C. rm -ra /tmp/* D. rm -rf /tmp/* E. delete /tmp/*,* 3What file contains the configuration for BIND? Choose the best answer: A. /etc/bind.conf B. /etc/named.conf C. /etc/dns.conf D. /var/named/bind.conf E. /var/named.conf 4How do I immeadiately shut down a Linux system? Choose the best answer: A. Turn off the monitor then turn off the CPU. B. /sbin/stop C. init 6 D. shutdown -h now E. None of the above 5What port does the Squid proxy server use by default? Choose the best answer: A. 80 B. 1080 C. 3028 D. 3128 E. 8080 6What file do I edit to prevent specific users from accessing an ftp server? Choose the best answer: A. /etc/hosts.allow B. /etc/hosts.deny C. /etc/ftpacess D. /etc/ftpusers E. /etc/ftpd.conf 7What port does the Mysqld use by default? Choose the best answer: A. 80 B. 1080 C. 3306 D. 3316 E. 3307 8which of the following commands can be used to extract a tar file? Atar -vf B. tar -xvf C. tar -e D. tar -v 9. which port is used for dns A10 B. 21 C. 23 D. 52 E. 53 10. what file determines the dns servers used by your computer? A/etc/hosts B. /etc/named.conf C. /etc/nsswitch.conf D. /etc/resolv.conf 11. your server logfile shows repeated connections to tcp port 143, what service is being accessed? Asmtp B. imap C. pop3 D. pop2 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 1 页，共 4 页 - - - - - - - - - 2 12. you have a standard apache web server installation and want to make it respond to requests on port 8088. to do this, what configuration file do you need to change? A. none. this is the default port. B. /etc/httpd/apache.conf C. /etc/httpd/ports.conf D. /etc/httpd/httpd.conf E. /etc/httpd/access.conf 13. which of the following files has the correct permissions? A. -rw-w-w- 1 root root 369 dec 22 22:38 /etc/shadow B. -rwxrw-rw- 1 root root 369 dec 22 22:38 /etc/shadow C. -rw-r-r- 1 root root 369 dec 22 22:38 /etc/shadow D. r- 1 root root 369 dec 22 22:38 /ect/shadow 14. What file contains the configuration for the Network Time Protocol server? Choose the best answer: A. /etc/ntp.conf B. /etc/xntp.conf C. /etc/NTP D. /etc/time.conf E. /etc/timeserver.conf 15. How can a user set up their own crontab entry? Choose the best answer: A.vi /.crontab B. cp /etc/crontab . C. crontab -v D. crontab -e E. cron -edit 16 Which command configures a default gateway on a Catalyst 3500XL switch? A. Switch (config)# ip route ip address B. Switch (enable) set ip route ip address C. Switch (enable) ip route-default ip address D. Switch (config)# ip default-gateway ip address 17 Given the route summarization entry 192.168.16.0/20. How many class C addresses can be summarized?A. 4. B. 8. C. 16. D. 20. E. 32. 18 Which type of link is capable of carrying multiple VLANs? A. 802.1q trunk B. Ethernet C. Serial D. Multispan E. 802.1 d trunk 19 Which statement about Loopback interfaces is true? A. Loop back interfaces exist by default on Cisco routers. B. A loop back interface is a logical interface that never goes down. C. A loop back interface is an interface that is looped back on itself for connectivity testing. D. A loop back interface is an interface that can loop back the line in response to a loop back command from a remote site to allow testing up to that interface. 20 Which command can be used to view and verify NAT? A. Show nat B. Show ip nat C. Show nat translations D. Show ip nat translations 21 About how long does it take for the port to change from blocking to forwarding when spanning-tree PortFast is enabled? 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 2 页，共 4 页 - - - - - - - - - 3 A. immediately B. 15 seconds C. 20 seconds D. 30 seconds 22 Which command copies debug messages to your current terminal display? A. logging monitor B. logging terminal C. terminal monitor D. monitor terminal 23You are in the process of creating a flow mask. You have created an extended access list. Which command applies it to the interface? A. Group add B. IP access-group C. Access extended list D. Interface extended list 24 Once the failure of the forwarding link is detected, which functionality allows a block port of a switch to quickly begin forwarding? A. Portfast B. UplinkFast C. BackboneFast D. SwitchlinkFast 25 You have configured a Catalyst switch to operate in a VTP mode. On your switch you cannot create, change or delete VLANs. Which VTP mode is your switch in? A. Host B. Native C. Client D. Server 二、IDC 机房基础知识共 5 题，每小题 2 分1机房静电地板距离地面的最低高度是多少？A20CM B30CM C40CM D.50CM 2千兆交叉线的线序是怎样的？A34178265 B 34165278 C34156287 D.35124678 3机房内非屏蔽双绞线弯曲半径与电缆外径之比应为？A 4 B. 5 C. 6 D.7 4机柜底座安放就位后应略高出活动地板多少？A3mm B4mm C5mm D.6mm 5如果机柜最大功率为5KW ，则单路电流应控制在多少安培？A10A B12A C16A D.32A 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 3 页，共 4 页 - - - - - - - - - 4 三、简答题，共5 小题，每小题 8 分1.简述 DNS 解析过程 (画图加文字 ) 2.IDC 日常巡检工作的内容3.IDC 机房施工管理的工作内容4.IDC 机房设备标签的内容5.简述您对 IDC 管理工作的理解名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 4 页，共 4 页 - - - - - - - - -