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1.
The Root-Level DNS servers have come under many attacks over the years. Due to attacks, such as the DDoS attack on the Root-Level DNS servers in October of 2002, which of the following systems was implemented to increase the security of the DNS servers for the Internet?
2.
You have been hired to work in the security division of a global Tier One ISP. You have been given a staff of 25 people all new to network security. You wish to bring them all up to speed on the components of the Internet and how they interact. Which one of the following is not a major component of the Internet?
3.
You are discussing the design and infrastructure of the Internet with several colleagues when a disagreement begins over the actual function of the Tier System in the Internets design. What is the function of the Tier
System in the physical structure of the Internet?
System in the physical structure of the Internet?
4.
After a year as a senior network administrator, you have been promoted to work in the security department of a large global Tier One ISP. You are to spend one month in training on security issues, concepts, and procedures. The third day in your new position, the ISP is hit with a DDoS attack from over 100,000 computers on the Internet. While the department works to manage the attack, you monitor the impact on the network. What is the impact to the ISP when hit with a DDoS such as this?
5.
During a routine security inspection of the clients in your network, you find a program called cgiscan.c on one of the computers. You investigate the file, reading part of the contents. Using the portion of the program shown below, identify the function of the program.
Temp[1] = "GET /cgi-bin/phf HTTP/1.0\n\n";
Temp[2] = "GET /cgi-bin/Count.cgi HTTP/1.0\n\n";
Temp[3] = "GET /cgi-bin/test-cgi HTTP/1.0\n\n";
Temp[4] = "GET /cgi-bin/php.cgi HTTP/1.0\n\n";
Temp[5] = "GET /cgi-bin/handler HTTP/1.0\n\n";
Temp[6] = "GET /cgi-bin/webgais HTTP/1.0\n\n";
Temp[7] = "GET /cgi-bin/websendmail HTTP/1.0\n\n";
Temp[1] = "GET /cgi-bin/phf HTTP/1.0\n\n";
Temp[2] = "GET /cgi-bin/Count.cgi HTTP/1.0\n\n";
Temp[3] = "GET /cgi-bin/test-cgi HTTP/1.0\n\n";
Temp[4] = "GET /cgi-bin/php.cgi HTTP/1.0\n\n";
Temp[5] = "GET /cgi-bin/handler HTTP/1.0\n\n";
Temp[6] = "GET /cgi-bin/webgais HTTP/1.0\n\n";
Temp[7] = "GET /cgi-bin/websendmail HTTP/1.0\n\n";
6.
You are monitoring the DNS traffic on your network to see what kind of zone transfer data is currently being exchanged. You wish to monitor the incremental zone transfers. You run a packet capture to gather network traffic for this project. Which kind of transfer traffic are you looking for?
7.
You work for a medium sized ISP and there have been several attacks of the DNS configuration recently. You are particularly concerned with DNS Spoofing attacks. You have a few older machines that define the storage of Resource Records (RR) based on the TTL of name mapping information. If an attacker sends fake mapping information to the DNS Server, with a high TTL, which type of DNS Spoofing is this?
8.
When using the 3DES encryption ( C = EK1[DK2[EK1[P]]] ) , what is the function of P?
9.
Public Key Cryptography systems use which two of the following keys?
10.
When a computer requires an input value to begin the cryptographic process, what is this value called?