GISF Online Practice Questions and Answers

You work as a Network Administrator for Net World Inc. The company has a TCP/IP-based network. You have configured an Internet access router on the network. A user complains that he is unable to access a resource on the Web. You know that a bad NAT table entry is causing the issue. You decide to clear all the entries on the table. Which of the following commands will you use?

A. show ip dhcp binding

B. ipconfig /flushdns

C. ipconfig /all

D. clear ip nat translation *

You are the Network Administrator for a large corporate network. You want to monitor all network traffic on your local network for suspicious activities and receive a notification when a possible attack is in process. Which of the following actions will you take for this?

A. Install a DMZ firewall

B. Enable verbose logging on the firewall

C. Install a host-based IDS

D. Install a network-based IDS

Which of the following monitors program activities and modifies malicious activities on a system?

A. Back door

B. HIDS

C. RADIUS

D. NIDS

You are concerned about rootkits on your network communicating with attackers outside your network. Without using an IDS how can you detect this sort of activity?

A. By examining your firewall logs.

B. By examining your domain controller server logs.

C. By setting up a DMZ.

D. You cannot, you need an IDS.

Which of the following refers to encrypted text?

A. Plaintext

B. Cookies

C. Ciphertext

D. Hypertext

Which of the following are the levels of public or commercial data classification system? Each correct answer represents a complete solution. Choose all that apply.

A. Sensitive

B. Unclassified

C. Confidential

D. Public

E. Secret

F. Private

Which of the following are the types of access controls? Each correct answer represents a complete solution. Choose three.

A. Physical

B. Administrative

C. Automatic

D. Technical

Which of the following types of firewalls forms a session flow table?

A. Proxy server firewall

B. Packet filtering firewall

C. Stateless packet filtering firewall

D. Stateful packet filtering firewall

You are the Network Administrator for a bank. You discover that someone has logged in with a user account access, but then used various techniques to obtain access to other user accounts. What is this called?

A. Vertical Privilege Escalation

B. Session Hijacking

C. Account hijacking

D. Horizontal Privilege Escalation

You work as the Security Administrator for Prodotxiss Inc. You want to ensure the security of your Wi-Fi enterprise network against the wireless snooping attacks. Which of the following measures will you take over the site network devices of the network?

A. Apply firewalls at appropriate spots.

B. Download and install new firmware patch for the router.

C. Disable the SSID broadcast feature of the router.

D. Apply a standard ACL on the router.