Ch. 17 Quiz
All mail servers support spam URI Real-time Block Lists (SURBLs) technology. True or False?
False
Sender Policy Framework (SPF) validates the receiving address of the e-mail. True or False?
False
Viruses can exist independent of a file, whereas worms require a file to infect. True or False
False
In the case of an FTP server, which account allows unlimited public access to the files and is commonly used when you want to have unlimited distribution? a. root b. anonymous c. administrator d. public
b. anonymous
One of the steps that the majority of system administrators running Internet e-mail servers have taken to reduce spam is to shut down __________. a. spam filters b. mail relaying c. e-mail attachments d. Outlook Express
b. mail relaying
What term is used for unsolicited commercial e-mail? a. hoax e-mail b. worms c. spam d. sporks
c. spam
E-mail security is ultimately the responsibility of __________. a. networking administrators b. security administrators c. a mail application d. users themselves
d. users themselves
S/MIME uses the X.509 format for certificates. True or False?
True
Most e-mail is sent in plaintext, providing no privacy in its default form. True or False
True
S/MIME is a secure implementation of the MIME protocol specification. True or False?
True
Hoaxes are similar to chain letters, but instead of promising a reward, the story in the e-mail is typically what produces the action. True or False?
True
All versions of SSL have been shown to be vulnerable to breach. True or False?
True
Because FTP servers can present a security risk, they are typically not permitted on workstations and are disabled on servers without need for this functionality. True or False?
True
Hoax e-mails can impact bandwidth. True or False?
True
What is the goal of TCP? a. TCPs send an unauthenticated, error-free stream of information between two computers. b. TCPs provide integrity and authentication functionality through the use of cryptographic methods. c. TCPs link documents to other documents by URLs d. TCPs provide a common addressing scheme.
a. TCPs send an unauthenticated, error-free stream of information between two computers.
Which statement describes the primary purpose of JavaScript? a. The primary purpose of JavaScript is to enable features such as validation of forms before they are submitted to the server. b. The primary purpose of JavaScript is to create applications that run in a virtual machine or browser. c. The primary purpose of JavaScript is to create complex application logic that is then embedded into other container objects such as a Web browser. d. The primary purpose of JavaScript is to embrace the full functionality of a server, allowing access to databases, UNIX commands, and other programs.
a. The primary purpose of JavaScript is to enable features such as validation of forms before they are submitted to the server.
In technical terms, the application on the e-mail sender's machine is referred to as a __________. a. mail user agent (MUA) b. mail transfer agent (MTA) c. mail delivery agent (MDA) d. mail storage agent (MSA)
a. mail user agent (MUA)
__________ is essentially noting which domains and source addresses have a reputation for sending spam, and rejecting messages coming from those domains and source addresses. a. Whitelisting b. Blacklisting c. Egress filtering d. Relaying
b. Blacklisting
When Secure FTP (SFTP) is used for confidential data transfer, what protocol is combined with FTP to accomplish this task? a. Secure Sockets Layer (SSL) b. Secure Shell (SSH) c. Transport Layer Security (TLS) d. Hypertext Transfer Protocol Secure (HTTPs)
b. Secure Shell (SSH)
Which port does HTTP traffic travel over by default? a. TCP port 8080 b. TCP port 80 c. UDP port 8080 d. UDP port 80
b. TCP port 80
