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Home Microsoft 98-366

Microsoft 98-366 Exam Practice Questions (P. 5)

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Question #21
The default port used for telnet is:
  1. A
    23
  2. B
    25
  3. C
    80
  4. D
    8080

Correct Answer:
A
The telnet protocol is used to establish a connection to Transmission Control Protocol (TCP) port number 23, where a Telnet server application (telnetd) is listening.

Question #22
When a client's DHCP-issued address expires, the client will:
  1. A
    Select a new address and request approval from the DHCP server.
  2. B
    Require manual configuration with a static IP address.
  3. C
    Attempt to obtain a new address by broadcasting.
  4. D
    Continue to use the address until it is notified to stop.

Correct Answer:
C
Rebinding would occur.

Rebinding -
If the DHCP client is unable to communicate with the DHCP server from which it obtained its lease, and 87.5 percent of its lease time has expired, it will attempt to contact any available DHCP server by broadcasting DHCPRequest messages. Any DHCP server can respond with a DHCPAck message, renewing the lease, or a DHCPNak message, forcing the DHCP client to initialize and restart the lease process.
Note:

Renewing -
IP addressing information is leased to a client, and the client is responsible for renewing the lease. By default, DHCP clients try to renew their lease when 50 percent of the lease time has expired. To renew its lease, a DHCP client sends a DHCPRequest message to the DHCP server from which it originally obtained the lease.
Reference: DHCP Client States in the Lease Process

Question #23
You ping a server by using fully qualified domain name (FQDN) and do not receive a response. You then ping the same server by using its IP address and receive a response.
Why do you receive a response on the second attempt but not on the first attempt?
  1. A
    PING is improperly configured.
  2. B
    The DNS is not resolving.
  3. C
    The DHCP server is offline.
  4. D
    NSLOOKUP is stopped.

Correct Answer:
B
DNS is not working.

Question #24
A Media Access Control (MAC) address identifies a/an:
  1. A
    UPnP device.
  2. B
    Local broadcast domain.
  3. C
    Network interface card (NIC).
  4. D
    Local area network (LAN).

Correct Answer:
C
A media access control address (MAC address) is a unique identifier assigned to network interfaces for communications on the physical network segment.

Question #25
Two companies want to share data by using the Internet.
Which type of network provides the solution?
  1. A
    Ethernet
  2. B
    Intranet
  3. C
    Extranet
  4. D
    Perimeter

Correct Answer:
C
An extranet is a computer network that allows controlled access from outside of an organization's intranet. Extranets are used for specific use cases including business-to-business (B2B).

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