计算机网络基础

Question 1

• Question: Which software can virtualize a file into a CD?
• Answer: Daemon Tools

Question 2

• Question: What is the default port for FTP server in Windows Server?
• Answer: 21

Question 3

• Question: What devices are usually used in a large network besides computers, network cards, transmission media, hubs, and switches?
• Answer: Routers, firewalls, and large UPS (uninterruptible power supply) units

Question 4

• Question: What is the T568A standard wire sequence?
• Answer: 1-white green, 2-green, 3-white orange, 4-blue, 5-white blue, 6-orange, 7-white brown, 8-brown

Question 5

• Question: What is the maximum number of computers allowed in a 10Mbps hub network?
• Answer: 100

Question 6

• Question: What acts as a medium for data transmission in a local area network (LAN)?
• Answer: Network cables (data lines)

Question 7

• Question: What is another name for a Network Interface Card (NIC)?
• Answer: Network Interface Card

Question 8

• Question: What performs the domain name resolution in a network?
• Answer: DNS server

Question 9

• Question: How are wired and wireless networks classified?
• Answer: By transmission media

Question 10

• Question: What services does a file server offer besides file access sharing?
• Answer: File management permission allocation and centralized storage space management

Question 11

• Question: What is wrong about the statement about IIS?
• Answer: The default home page in IIS cannot be changed.

Question 12

• Question: What is the correct way to connect two computers directly via network cards using network cables?
• Answer: Using T568A on one end and T568B on the other.

Question 13

• Question: What is incorrect about email servers?
• Answer: MDaemon doesn't have antivirus plugins

Question 14

• Question: Which operations are not available in the Task Manager?
• Answer: Monitoring network traffic

Question 15

• Question: What service packs are required for Windows 2000 and XP to install the Blaster and Sasser patches?
• Answer: Windows 2000 SP4 and Windows XP SP2

Question 16

• Question: What is not a function of computer antivirus software?
• Answer: Preventing hacker intrusions

Question 17

• Question: What is the most common method used to update website contents?
• Answer: FTP server

Question 18

• Question: What are three ways to create a shared folder on a file server?
• Answer: Resource sharing, setting up resource sharing in the Resource Manager, and setting up Web sharing

Question 19

• Question: Which software cannot partition hard drives?
• Answer: Format

Question 20

• Question: What is a correct statement about FTP?
• Answer: IIS doesn't provide FTP functionality

Question 21

• Question: What is the default TCP port for an FTP server?
• Answer: 21

Question 22

• Question: What is the operating frequency and maximum transmission speed of IEEE 802.11g?
• Answer: 2.4 GHz and 54 Mbps

Question 23

• Question: What is the function of a switch in a local area network (LAN)?
• Answer: Forwarding data packets

Question 24

• Question: What is the incorrect matching between a term and its meaning?
• Answer: Router with Switch (Router is a device for routing and switching, while Switch is a network device.)

Question 25

• Question: What's incorrect about Haojie VOD?
• Answer: Haojie VOD doesn't require a database to function properly.

Question 26

• Question: In what situations is a star topology commonly used?
• Answer: When the network's intelligent devices are mainly concentrated at a central node

Question 27

• Question: What tools are needed for making a twisted-pair cable?
• Answer: RJ-45 connector and crimping tool

Question 28

• Question: What operating system is best recommended for a print server?
• Answer: (The specific OS is not provided.)

Question 29

• Question: What are the requirements for a computer to provide internet printing service?
• Answer: It should have a web printing service component installed and a public IP address.

Question 30

• Question: What is the default permission for a network printer and how can it be managed?
• Answer: The default permission is allow all users to print, and it can be managed by selecting groups.

Question 31

• Question: How are hubs classified by bandwidth?
• Answer: 10 Mbps, 100 Mbps, and Gigabit hubs

Question 32

• Question: What are the benefits of using a network for internal office work?
• Answer: Automated office system, efficient file transfer, shared printing, and enhanced work collaboration.

Question 33

• Question: What are the main functions of the Domain Name System (DNS)?
• Answer: Assigning, modifying, and querying domain names.

Question 34

• Question: What are the query methods of a DNS server?
• Answer: Recursive, iterative, and reverse queries

Question 35

• Question: (The question is cut off and incomplete)

Question 36

• Question: What's incorrect about hubs and switches?
• Answer: Switches do not have broadcast frame issues.

Question 37

• Question: What types of print security permissions are provided by Windows?
• Answer: Printer management permissions and document permissions

Question 38

• Question: What does network planning typically include for network administrators?
• Answer: Office space planning, network hardware, and operating system/software planning.

Question 39

• Question: What is not a working model for a LAN?
• Answer: Star working mode

Question 40

• Question: What configuration parameters does a DHCP server provide to clients?
• Answer: IP address, subnet mask, default gateway, and DNS

Question 41

• Question: Can network printers' operating hours be limited by the administrator?
• Answer: True

Question 42

• Question: (The question is cut off and incomplete)

Question 43

• Question: Do viruses damage hardware?
• Answer: False

Question 44

• Question: Is TCP/IP a transmission protocol?
• Answer: True

Question 45

• Question: Is routing done at the data link layer?
• Answer: False

Question 46

• Question: Does a backup DNS server automatically receive data from the primary server?
• Answer: False

Question 47

• Question: Does disk quota restrict the disk space users can use, and does one user's usage impact others?
• Answer: True

Question 48

• Question: What services make up an email server, and what are their respective functions?
• Answer: SMTP (Simple Mail Transfer Protocol) for sending emails, and POP3 (Post Office Protocol version 3) for receiving emails.

Question 49

• Question: How can you resolve network issues related to incorrect IP address settings?
• Answer: Use ipconfig/release to release the old IP and ipconfig/renew to get a new one from the DHCP server.

Question 50

• Question: Is Windows suitable for 24/7 operation for a gateway server?
• Answer: False

Question 51

• Question: Describe VLAN technology and its implementation methods.
• Answer: VLAN (Virtual Local Area Network) is a logical network that spans different segments and networks. It's implemented using network management software. VLANs are based on physical networks, requiring specific network devices. Communication between VLANs needs routing devices (routers or Layer 3 switches). VLANs can be segmented based on ports, MAC addresses, or routing. Currently, port-based and routing-based segmentation are common.

这个测验涵盖了计算机网络的基本概念，包括虚拟化软件、FTP服务器、网络设备和标准线序等。通过这些问题，你可以测试自己对网络技术的理解和掌握程度。