GCIA Online Practice Questions and Answers

Which of the following tools are used to determine the hop counts of an IP packet? Each correct answer represents a complete solution. Choose two.

A. TRACERT

B. Ping

C. IPCONFIG

D. Netstat

You work as a System Administrator for McNeil Inc. The company has a Linux-based network. You are a root user on the Red Hat operating system. Your network is configured for IPv6 IP addressing. Which of the following commands will you use to test TCP/IP connectivity?

A. ping6

B. ifconfig

C. traceroute

D. ping

In which of the following IDS evasion techniques does an attacker deliver data in multiple small sized packets, which makes it very difficult for an IDS to detect the attack signatures of such attacks?

A. Insertion

B. Session splicing

C. Fragmentation overlap

D. Fragmentation overwrite

You work as a Network Security Administrator for NetPerfect Inc. The company has a Windowsbased network. You are incharge of the data and network security of the company. While performing a threat log analysis, you observe that one of the database administrators is pilfering confidential data. What type of threat is this?

A. Zombie

B. External threat

C. Internal threat

D. Malware

Which of the following can be monitored by using the host intrusion detection system (HIDS)? Each correct answer represents a complete solution. Choose two.

A. Computer performance

B. File system integrity

C. Storage space on computers

D. System files

Which of the following commands prints out the headers of packets regarding the boolean expression?

A. tcpdump

B. vmstat

C. iftop

D. iostat

Which of the following statements best describes the string matching method of signature analysis?

A. String matching searches specific strings that may indicate an attack.

B. String matching examines multiple fields from different protocols, such as source address, destination port, or TCP flags.

C. In string matching, each packet is wrapped in predefined layers of different protocols.

D. In string matching, an incoming packet is compared, byte by byte, with a single signature, a string of code.

Which of the following NETSH commands for interface Internet protocol version 4 (IPv4) is used to add a DNS server to a list of DNS servers for a specified interface?

A. net dnsserver

B. add address

C. add dnsserver

D. add neighbors

Which of the following is the ability of a hacker to determine the nature of the network?

A. Investigating

B. Profiling

C. Sniffing

D. Intruding

Which of the following is the process of categorizing attack alerts produced from IDS?

A. Site policy implementation

B. Blocking

C. Intrusion classify

D. Alarm filtering