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Which of the following is the best way of protecting important data against virus attack?

  1. Implementing a firewall.
  2. Updating the anti-virus software regularly.
  3. Taking daily backup of data.
  4. Using strong passwords to log on to the network.

Answer(s): B

Explanation:

Updating the anti-virus software regularly is the best way of protecting important data against virus attack.



Which of the following is a service discovery protocol that allows computers and other devices to find services in a local area network without prior configuration?

  1. NTP
  2. SLP
  3. NNTP
  4. DCAP

Answer(s): B

Explanation:

The Service Location Protocol (SLP, srvloc) is a service discovery protocol that allows computers and other devices to find services in a local area network without prior configuration. SLP has been designed to scale from small, unmanaged networks to large enterprise networks.
Answer option C is incorrect. The Network News Transfer Protocol (NNTP) is an Internet application protocol used for transporting Usenet news articles (netnews) between news servers and for reading and posting articles by end user client applications. NNTP is designed so that news articles are stored in a central database, allowing the subscriber to select only those items that he wants to read. Answer option A is incorrect. Network Time Protocol (NTP) is used to synchronize the timekeeping among the number of distributed time servers and clients. It is used for the time management in a large and diverse network that contains many interfaces. In this protocol, servers define the time, and clients have to be synchronized with the defined time. These clients can choose the most reliable source of time defined from the several NTP servers for their information transmission.
Answer option D is incorrect. The Data Link Switching Client Access Protocol (DCAP) is an application layer protocol that is used between workstations and routers for transporting SNA/NetBIOS traffic over TCP sessions. It was introduced in order to address a few deficiencies by the Data Link Switching Protocol (DLSw). The DLSw raises the important issues of scalability and efficiency, and since DLSw is a switch-to-switch protocol, it is not efficient when implemented on workstations. DCAP was introduced in order to address these issues.



FILL BLANK
Fill in the blanks with the appropriate terms. In L2T _____________tunnel mode, the ISP must support L2TP, whereas in L2TP tunnel mode, the ISP does not need to support L2TP.

  1. compulsory

Answer(s): A

Explanation:

The Layer 2 Tunnel Protocol is one of the tunneling protocols that is used in a virtual private network. It contains the functionality of Cisco's Layer 2 Forwarding (L2F) protocol and Microsoft's Point-to-Point Tunneling Protocol (PPTP). This protocol is vendor interoperable and supports multihopping. L2TP supports two tunnel modes:
Compulsory tunnel:
In L2TP compulsory tunnel mode, a remote host initiates a connection to its Internet Service Provider (ISP). An L2TP connection is established between the remote user and the corporate network by the ISP. With a compulsory tunnel, the ISP must support L2TP.
Voluntary tunnel:
In L2TP voluntary tunnel mode, the connection is created by the remote user, typically by using an L2TP tunneling client. Then, the remote user sends L2TP packets to its ISP in order to forward them on to the corporate network. With a voluntary tunnel, the ISP does not need to support L2TP.



Jason works as a System Administrator for www.company.com Inc. The company has a Windows-based network. Sam, an employee of the company, accidentally changes some of the applications and system settings. He complains to Jason that his system is not working properly. To troubleshoot the problem, Jason diagnoses the internals of his computer and observes that some changes have been made in Sam's computer registry. To rectify the issue, Jason has to restore the registry. Which of the following utilities can Jason use to accomplish the task? Each correct answer represents a complete solution. Choose all that apply.

  1. Reg.exe
  2. EventCombMT
  3. Regedit.exe
  4. Resplendent registrar

Answer(s): A,C,D

Explanation:

The resplendent registrar is a tool that offers a complete and safe solution to administrators and power users for maintaining the registry. It can be used for maintaining the registry of desktops and remote computers on the network. It offers a solution for backing up and restoring registries, fast background search and replace, adding descriptions to the registry keys, etc. This program is very attractive and easy to use, as it comes in an explorer-style interface. It can be used for Windows 2003/XP/2K/NT/ME/9x.
Reg.exe is a command-line utility that is used to edit the Windows registry. It has the ability to import, export, back up, and restore keys, as well as to compare, modify, and delete keys. It can perform almost all tasks that can be done using the Windows-based Regedit.exe tool. Registry Editor (REGEDIT) is a registry editing utility that can be used to look at information in the registry. REGEDIT.EXE enables users to search for strings, values, keys, and subkeys and is useful to find a specific value or string. Users can also use REGEDIT.EXE to add, delete, or modify registry entries.
Answer option B is incorrect. EventCombMT is a multithreaded tool that is used to search the event logs of several different computers for specific events, all from one central location. It is a little-known Microsoft tool to run searches for event IDs or text strings against Windows event logs for systems, applications, and security, as well as File Replication Service (FRS), domain name system (DNS), and Active Directory (AD) logs where applicable. The MT stands for multi-threaded. The program is part of the Account Lockout and Management Tools program package for Windows 2000, 2003, and XP.






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