[Free] 2017(Sep) EnsurePass Pass4sure GIAC GSNA Dumps with VCE and PDF 91-100

2017 Sep GIAC Official New Released GSNA
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GIAC Systems and Network Auditor

Question No: 91 – (Topic 1)

Which of the following tools is used to make fake authentication certificates?

  1. Obiwan

  2. Netcat

  3. WinSSLMiM

  4. Brutus

Answer: C Explanation:

WinSSLMiM is an HTTPS Man in the Middle attacking tool. It includes FakeCert, a tool used to make fake certificates. It can be used to exploit the Certificate Chain vulnerability in Internet Explorer. The tool works under Windows 9x/2000. For example, Generate fake certificate: fc -s www.we-are-secure.com -f fakeCert.crt Launch WinSSLMiM: wsm -f fakeCert.crt Answer: D is incorrect. Brutus is a password cracking tool that performs both dictionary and brute force attacks in which passwords are randomly generated from given characters. Brute forcing can be performed on the following authentications: HTTP (Basic Authentication) HTTP (HTML Form/CGI) POP3 (Post Office Protocol v3) FTP (File Transfer Protocol) SMB (Server Message Block) Telnet Answer: A is incorrect. Obiwan is a Web password cracking tool that is used to perform brute force and hybrid attacks. It is effective against HTTP connections for Web servers that allow unlimited failed login attempts by the user. Obiwan uses wordlists as well as alphanumeric characters as possible passwords.

Answer: B is incorrect. Netcat is a freely available networking utility that reads and writes data across network connections by using the TCP/IP protocol. Netcat has the following features: It provides outbound and inbound connections for TCP and UDP ports. It provides special tunneling such as UDP to TCP, with the possibility of specifying all network parameters. It is a good port scanner. It contains advanced usage options, such as buffered send-mode (one line every N seconds), and hexdump (to stderr or to a specified file) of transmitted and received data. It is an optional RFC854 telnet code parser and responder.

Question No: 92 – (Topic 1)

What does CSS stand for?

  1. Cascading Style Sheet

  2. Coded System Sheet

  3. Cyclic Style Sheet

  4. Cascading Style System

Answer: A

Explanation: A Cascading Style Sheet (CSS) is a separate text file that keeps track of design and formatting information, such as colors, fonts, font sizes, and margins, used in

Web pages. CSS is used to provide Web site authors greater control on the appearance and presentation of their Web pages. It has codes that are interpreteA, Dpplied by the browser on to the Web pages and their elements. CSS files have .css extension.

There are three types of Cascading Style Sheets: External Style Sheet Embedded Style Sheet Inline Style Sheet

Question No: 93 – (Topic 1)

You work as a Network Administrator for NetTech Inc. Your computer has the Windows 2000 Server operating system. You want to harden the security of the server. Which of the following changes are required to accomplish this? (Choose two)

  1. Remove the Administrator account.

  2. Disable the Guest account.

  3. Rename the Administrator account.

  4. Enable the Guest account.

Answer: B,C

Explanation: For security, you will have to rename the Administrator account and disable the Guest account. Renaming the Administrator account will ensure that hackers do not break into the network or computer by guessing the password of the Administrator account. You can also create a fake Administrator account that has no privileges and audit its use to detect attacks. Disabling the Guest account will prevent users who do not have a domain or local user account from illegally accessing the network or computer. By default, the Guest account is disabled on systems running Windows 2000 Server. If the Guest account is enabled, you will have to disable it.

Question No: 94 – (Topic 1)

Mark works as a project engineer in Tech Perfect Inc. His office is configured with Windows XP-based computers. The computer that he uses is not configured with a default gateway. He is able to access the Internet, but is not able to use e-mail services via the Internet.

However, he is able to access e-mail services via the intranet of the company. Which of the following could be the reason of not being able to access e-mail services via the Internet?

  1. Proxy server

  2. IP packet filter

  3. Router

  4. Protocols other than TCP/IP

Answer: A

Explanation: A proxy server exists between a client#39;s Web-browsing program and a real Internet server. The purpose of the proxy server is to enhance the performance of user requests and filter requests. A proxy server has a database called cache where the most frequently accessed Web pages are stored. The next time such pages are requested, the proxy server is able to suffice the request locally, thereby greatly reducing the access time. Only when a proxy server is unable to fulfill a request locally does it forward the request to a real Internet server. The proxy server can also be used for filtering user requests. This may be done in order to prevent the users from visiting non-genuine sites. Answer: D is incorrect. Transmission Control Protocol/Internet Protocol (TCP/IP) is a suite of standard protocols that govern how data passes between networks. It can be used to provide communication between the basic operating systems on local and wide-area networks (WANs). TCP/IP is the basic communication language or protocol of the Internet. It can also be used as a communications protocol in a private network (either an intranet or an extranet). It is considered the primary protocol of the Internet and the World Wide Web.

Answer: B is incorrect. IP packet filters allow or block packets from passing through specified ports. They can filter packets based on service type, port number, source computer name, or destination computer name. When packet filtering is enabled, all packets on the external interface are dropped unless they are explicitly allowed, either statically by IP packet filters or dynamically by access policy or publishing rules. Answer: C is incorrect. A router is a device that routes data packets between computers in different networks. It is used to connect multiple networks, and it determines the path to be taken by each data packet to its destination computer. A router maintains a routing table of the available routes and their conditions. By using this information, along with distance and cost algorithms, the router determines the best path to be taken by the data packets to the destination computer. A router can connect dissimilar networks, such as Ethernet, FDDI, and Token Ring, and route data packets among them. Routers operate at the network layer (layer 3) of the Open Systems Interconnection (OSI) model.

Question No: 95 – (Topic 1)

You work as the Network Administrator for XYZ CORP. The company has a Unix-based network. You want to find out when a particular user was last logged in. To accomplish this,

you need to analyze the log configuration files. Which of the following Unix log configuration files can you use to accomplish the task?

  1. /var/log/btmp

  2. /var/log/messages

  3. /var/log/lastlog

  4. /var/log/wtmp

Answer: C

Explanation: In Unix, the /var/log/lastlog file is used by the finger to find when a user was last logged in.

Answer: D is incorrect. In Unix, the /var/log/wtmp file stores the binary info of users that have been logged on. Answer: A is incorrect. In Unix, the /var/log/btmp file is used to store information about failed logins. Answer: B is incorrect. In Unix, the /var/log/messages is the main system message log file.

Question No: 96 – (Topic 1)

You work as the Network Administrator for XYZ CORP. The company has a Unix-based network. You want to fix partitions on a hard drive. Which of the following Unix commands can you use to accomplish the task?

  1. fdformat

  2. exportfs

  3. fsck

  4. fdisk

Answer: D

Explanation: The fdisk command is a menu-based command available with Unix for hard disk configuration. This command can perform the following tasks: Delete a partition on a hard disk. Create a partition on a hard disk. Change the partition type. Display the partition table. Answer: B is incorrect. In Unix, the exportfs command is used to set up filesystems to export for nfs (network file sharing). Answer: A is incorrect. In Unix, the fdformat command formats a floppy disk. Answer: C is incorrect. In Unix, the fsck command is used to add new blocks to a filesystem. This command must not be run on a mounted file system.

Question No: 97 – (Topic 1)

Mark works as a Web Developer for XYZ CORP. He is developing a Web site for the company. He wants to use frames in the Web site. Which of the following is an HTML tag used to create frames?

  1. lt;REGIONgt;

  2. lt;TABLESETgt;

  3. lt;FRAMEWINDOWgt;

  4. lt;FRAMESETgt;

Answer: D

Explanation: lt;FRAMESETgt; tag specifies a frameset used to organize multiple frames and nested framesets in an HTML document. It defines the location, size, and orientation of frames. An HTML document can either contain a lt;FRAMESETgt; tag or a lt;BODYgt; tag.

Answer: A, B, C are incorrect. There are no HTML tags such as lt;TABLESETgt;,

lt;FRAMEWINDOWgt;, and lt;REGIONgt;.

Question No: 98 – (Topic 1)

You work as a professional Ethical Hacker. You are assigned a project to perform blackbox testing of the security of www.we-are-secure.com. Now you want to perform banner grabbing to retrieve information about the Webserver being used by we-are-secure. Which of the following tools can you use to accomplish the task?

  1. Wget

  2. WinSSLMiM

  3. Whisker

  4. httprint

Answer: D

Explanation: According to the scenario, you want to perform banner grabbing to retrieve information about the Webserver being used by we-are-secure. For this, you will use the httprint tool to accomplish the task. httprint is a fingerprinting tool that is based on Web server characteristics to accurately identify Web servers. It works even when Web server may have been obfuscated by changing the server banner strings, or by plug-ins such as mod_security or servermask. It can also be used to detect Web enabled devices that do not contain a server banner string, such as wireless access points, routers, switches, cable

modems, etc. httprint uses text signature strings for identification, and an attacker can also add signatures to the signature database. Answer: A is incorrect. Wget is a Website copier that is used to analyze the vulnerabilities of a Website offline. Answer: C is incorrect.

Whisker is an HTTP/Web vulnerability scanner that is written in the PERL language. Whisker runs on both the Windows and UNIX environments. It provides functions for testing HTTP servers for many known security holes, particularly the presence of dangerous CGIs. Answer: B is incorrect. WinSSLMiM is an HTTPS Man in the Middle attacking tool. It includes FakeCert, a tool used to make fake certificates. It can be used to exploit the Certificate Chain vulnerability in Internet Explorer. The tool works under Windows 9x/2000. Which of the following tools can be used to automate the MITM attack?

A. Airjack B. Kismet C. Hotspotter D. IKECrack Answer: A

Airjack is a collection of wireless card drivers and related programs. It uses a program called monkey_jack that is used to automate the MITM attack. Wlan_jack is a DoS tool in the set of airjack tools, which accepts a target source and BSSID to send continuous deauthenticate frames to a single client or an entire network. Another tool, essid_jack is used to send a disassociate frame to a target client in order to force the client to reassociate with the network and giving up the network SSID. Answer: C is incorrect.

Hotspotter is a wireless hacking tool that is used to detect rogue access point. It fools users to connect, and authenticate with the hacker#39;s tool. It sends the deauthenticate frame to the victim#39;s computer that causes the victim#39;s wireless connection to be switched to a non- preferred connection. Answer: D is incorrect. IKECrack is an IKE/IPSec authentication crack tool, which uses brute force for searching password and key combinations of Pre- Shared-Key authentication networks. The IKECrack tool undermines the latest Wi-Fi security protocol with repetitive attempts at authentication with random passphrases or keys. Answer: B is incorrect. Kismet is a Linux-based 802.11 wireless network sniffer and intrusion detection system. It can work with any wireless card that supports raw monitoring (rfmon) mode. Kismet can sniff 802.11b, 802.11a, 802.11g, and 802.11n traffic. Kismet can be used for the following tasks: To identify networks by passively collecting packets To detect standard named networks To detect masked networks To collect the presence of non-beaconing networks via data traffic

Question No: 99 – (Topic 1)

Which of the following types of firewall functions at the Session layer of OSI model?

  1. Packet filtering firewall

  2. Circuit-level firewall

  3. Switch-level firewall

  4. Application-level firewall

Answer: B

Explanation: Circuit-level firewall operates at the Session layer of the OSI model. This type of firewall regulates traffic based on whether or not a trusted connection has been established.

Question No: 100 – (Topic 1)

Mark implements a Cisco unified wireless network for Tech Perfect Inc. Which functional area of the Cisco unified wireless network architecture includes intrusion detection and prevention?

  1. Network services

  2. Wireless clients

  3. Network unification

  4. Wireless access points

Answer: A

Explanation: Network services is the last functional area of the Cisco unified wireless network architecture. This functional area includes the self-depending network, enhanced network support, such as location services, intrusion detection and prevention, firewalls, network admission control, and all other services. Answer: C is incorrect. Network unification is a functional area of the Cisco unified wireless network architecture. This functional area includes the following wireless LAN controllers: 1.The 6500 series catalyst switch 2.Wireless services module (WiSM) 3.Cisco wireless LAN controller module (WLCM) 4.Cisco catalyst 3750 series integrated WLC 5.Cisco 4400 series WLC 6.Cisco 2000 series WLC Answer: B is incorrect. Wireless clients is a functional area of the Cisco unified wireless network. The client devices are connected to a user. Answer: D is incorrect. A wireless access point (WAP) is a device that allows wireless communication devices to connect to a wireless network using Wi-Fi, Bluetooth, or related standards. The WAP usually connects to a wired network, and it can transmit data between wireless devices and wired devices on the network. Each access point can serve multiple users within a defined network area. As people move beyond the range of one access point, they are automatically handed over to the next one. A small WLAN requires a single access

point. The number of access points in a network depends on the number of network users and the physical size of the network.

Topic 2, Volume B

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