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Questions and Answers

Which networking device transforms data into the format needed to be transmitted over a physical medium?

  • Firewall
  • Switch
  • Repeater
  • Network interface card (correct)

    • James, a technician, is tasked to configure a SOHO router to ensure that the network computer can only use secure web pages and sites on the Internet. Which of the following ports will he open?

  • 21
  • 110
  • 443 (correct)
  • 25

    • Which of the following networking devices work at the Data Link layer of the OSI model?

  • Switch & Bridge (correct)
  • Bridge
  • Router
  • Hub

    • Which of the following networking devices is used to implement network security policies for an environment?

    <p>Firewall</p> Signup and view all the answers

    Which of these is a directory service protocol that defines how a client can access information and perform operations?

    <p>LDAP</p> Signup and view all the answers

    A technician has been asked by the company’s management to investigate the need for upgrading the company’s network from IPv4 to IPv6. Which of the following are the valid reasons that the technician should provide to the management to carry out the required upgrade?

    <p>IPv6 can provide more hosts than IPv4, &amp; IPv6 packet format is designed to minimize packet-header processing, &amp; IPv6 will provide more effective routing.</p> Signup and view all the answers

    Which of the following wireless communication standards is often described in terms of a WPAN?

    <p>Bluetooth</p> Signup and view all the answers

    John, a network administrator, is setting up a new server for the company’s network. Which port and service should he open to allow the newly installed server to assign IP addresses for the devices connecting to the network?

    <p>DHCP, 67</p> Signup and view all the answers

    Which of these allows a user to remotely log in to a networked device and uses port 3389 as the default port?

    <p>RDP</p> Signup and view all the answers

    Which of the following network types spans a small area, such as a single building, floor, or room?

    <p>LAN</p> Signup and view all the answers

    Which of the following are advantages of using a SAN? Each correct answer represents a complete solution. Choose two

    <p>Faster data access , More efficient storge</p> Signup and view all the answers

    A junior network technician is setting up a new email server on the company network. Which of the following default ports should the technician ensure is open on the firewall so the new email server can send an email?

    <p>25</p> Signup and view all the answers

    An IT vendor gives a technician the address on a support call as 192.168.15.2/32. Which of the following formats best describes the address provided by the vendor?

    <p>IPv4 address in CIDR format</p> Signup and view all the answers

    What is the size of a MAC address?

    <p>48 bits</p> Signup and view all the answers

    If you are going to run a network cable in the space above the drop ceiling in your office, which type of cable should you use?

    <p>Plenum</p> Signup and view all the answers

    Which of these is designed to store information?

    <p>SAN</p> Signup and view all the answers

    You have just set up a network that will use the TCP/IP protocol, and you want client computers to obtain IP configuration information automatically. Which type of server do you need for this?

    <p>DHCP</p> Signup and view all the answers

    A network engineer is asked to implement a network encompassing the five-block town center and nearby businesses. The inclusion of smartphones and portable devices is crucial to the plan. Which of these is the network engineer being asked to implement?

    <p>MAN</p> Signup and view all the answers

    Which of the following types of network connectivities spans multiple geographic locations?

    <p>WAN</p> Signup and view all the answers

    Which of these is a hardware or software solution that serves as the network’s security guard?

    <p>Firewall</p> Signup and view all the answers

    John, a system administrator, wants to join multiple computers together within the same LAN. He also wants to increase the number of devices on a LAN without sacrificing performance. Which of the following network devices will he use to accomplish the given task?

    <p>Switch</p> Signup and view all the answers

    Stacy, a technician, wants to automatically assign IP addresses to client stations logging on to the TCP/IP network so that she need not manually assign static IP addresses. Which of the following server roles should she use?

    <p>DHCP</p> Signup and view all the answers

    Which of the following are valid examples of IPv6 addresses? Each correct answer represents a complete solution. Choose all that apply.!

    <p>2001:0db8:3c4d:0012:0000:0000:1234:56ab &amp; ::ffff:c0a8:173 &amp; 2001:db8:3c4d:12::1234:56ab</p> Signup and view all the answers

    Maria, a network administrator, gets a call regarding intermittent network outages across the country. Which of the following should be used to connect to the network so that the administrator can troubleshoot this issue from home?

    <p>VPN &amp; SSH</p> Signup and view all the answers

    Jane, a technician, has configured a firewall on a TCP/IP network. A filter has been applied to block all ports. She wants to enable the sending and receiving of emails on the network. Which of the following ports will she open?

    <p>25 &amp; 110</p> Signup and view all the answers

    Which of these is assigned to provide specific applications or services for the network and nothing else?

    <p>A. Dedicated server</p> Signup and view all the answers

    Which of the following Ethernet cables can transmit data at a speed of up to 10 Gbps, but only up to a distance of 55 meters?

    <p>Cat 6</p> Signup and view all the answers

    Which of the following networking hardware devices is capable of creating VLANs?

    <p>C. Managed switch</p> Signup and view all the answers

    Which of the following protocols is used to share files between macOS and Windows OS workstations on a LAN?

    <p>A. SMB</p> Signup and view all the answers

    Which of these is a valid IP address assigned through APIPA?

    <p>169.254.1.221</p> Signup and view all the answers

    Study Notes

    Networking Devices

    • A modem transforms data into the format needed to be transmitted over a physical medium.

    Network Security

    • A firewall is used to implement network security policies for an environment.
    • A technician should open port 443 to ensure that the network computer can only use secure web pages and sites on the Internet.

    OSI Model

    • Bridges and switches work at the Data Link layer of the OSI model.

    Directory Services

    • LDAP (Lightweight Directory Access Protocol) is a directory service protocol that defines how a client can access information and perform operations.

    IPv4 to IPv6 Upgrade

    • Valid reasons for upgrading from IPv4 to IPv6 include:
      • Increased address space
      • Improved security features
      • Better mobility support

    Wireless Communication

    • Bluetooth is often described in terms of a WPAN (Wireless Personal Area Network).

    Network Services

    • A DHCP (Dynamic Host Configuration Protocol) server assigns IP addresses to devices on a network.
    • A DHCP server uses port 67 and service.

    Remote Access

    • Remote Desktop Protocol (RDP) allows a user to remotely log in to a networked device and uses port 3389 as the default port.

    Network Types

    • A LAN (Local Area Network) spans a small area, such as a single building, floor, or room.

    Storage Area Network (SAN)

    • Advantages of using a SAN include:
      • Centralized storage management
      • Improved data availability

    Email Server

    • A technician should open port 25 on the firewall to allow the new email server to send emails.

    IP Addressing

    • The address 192.168.15.2/32 is in CIDR (Classless Inter-Domain Routing) notation.

    MAC Address

    • A MAC address is 48 bits (6 bytes) in size.

    Network Cabling

    • Plenum-rated cable should be used when running a network cable in the space above the drop ceiling.

    Information Storage

    • A database is designed to store information.

    TCP/IP Configuration

    • A DHCP server is needed to allow client computers to obtain IP configuration information automatically.

    Network Implementation

    • A WAN (Wide Area Network) is a network that spans multiple geographic locations.
    • A metropolitan area network (MAN) is a network that encompasses the five-block town center and nearby businesses.

    Network Security

    • A firewall is a hardware or software solution that serves as the network's security guard.

    Network Devices

    • A switch is used to connect multiple computers together within the same LAN and increase the number of devices on a LAN without sacrificing performance.

    IP Address Assignment

    • A DHCP server role should be used to automatically assign IP addresses to client stations logging on to the TCP/IP network.

    IPv6 Addresses

    • Valid examples of IPv6 addresses include:
      • 2001:0db8:85a3:0000:0000:8a2e:0370:7334
      • FE80:0000:0000:0000:0204:61FF:FE9D:F164

    Remote Troubleshooting

    • A VPN (Virtual Private Network) should be used to connect to the network so that the administrator can troubleshoot this issue from home.

    Firewall Configuration

    • Port 25 should be opened to enable the sending and receiving of emails on the network.

    Network Services

    • A DNS (Domain Name System) server is assigned to provide specific applications or services for the network and nothing else.

    Ethernet Cables

    • Category 6A (Cat 6A) Ethernet cables can transmit data at a speed of up to 10 Gbps, but only up to a distance of 55 meters.

    VLANs

    • A switch is capable of creating VLANs (Virtual Local Area Networks).

    File Sharing

    • SMB (Server Message Block) protocol is used to share files between macOS and Windows OS workstations on a LAN.

    APIPA

    • 169.254.0.0 is a valid IP address assigned through APIPA (Automatic Private IP Addressing).

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    Description

    Test your knowledge of networking devices, ports, and protocols with this quiz. Answer questions about network interface cards, firewalls, SOHO routers, and more. Explore topics such as data transformation, secure web pages, and various port numbers. Challenge yourself and see how well you understand networking fundamentals.

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