Exam 1

Ace your homework & exams now with Quizwiz!

Which of the following addresses is a class B IP address?

189.77.101.6

Which of the following is the broadcast address for subnet 192.168.10.32 with subnet mask 255.255.255.240

192.168.10.47

Which protocol is responsible for automatic assignment of IP addresses?

DHCP

Which of the following best describes a one-way function?

Easy to compute but difficult and time comsuming in reverse

All devices interpret attack signatures uniformly

False

Fragmentation of IP packets is normal and doesn't present any network problems?

False

Which of the following is an element of the TCP header that can indicate that a connection has been established?

Flags

What is the packet called where a Web browser sends a request to the Web server for Web page data?

HTTP GET

Which of the following is commonly used for verifying message integrity?

Hashing function

Which of the following is NOT one of the three primary goals of information security?

Impartiality

Which type of function is used in cryptography?

Permutation

What is a VPN typically used for?

Secure remote access

What is the TCP portion of a packet called?

Segment

Why might you want your security system to provide nonrepudiation?

So a user can't deny sending or receiving a communication

In which type of scan does an attacker scan only ports that are commonly used by specific programs?

Strobe scan

How are the two parts of an IP address determined?

Subnet mask

Which field in the IP header is an 8-bit value that identifies the maximum amount of time the packet can remain in the network before it dropped?

TTL

Which of the following is a valid IPv6 address?

1080::8:800:200c:417A

How large is the IPv6 address space?

128 bits

Defense in depth can be described as which of the following?

A layered approach to security

Which security layer verifies the identity of a user, service, or computer?

Authentication

What type of attack does a remote-access Trojan attempt to perpetrate?

Back door

Which of the following is described as a 64-bit block cipher composed of a 16-round Feistel network and key-dependent S-box functions?

Blowfish

With which access control method do system administrators establish what information users can share?

Mandatory access control

Which type of firewall policy calls for a firewall to deny all traffic by default?

Restrictive policy

Which of the following is NOT a critical goal of information security?

Scalability

Which of the following is true about encryption algorithms?

Their strength is tied to their key length?

Which of the following is true about PRNGs?

They are not completely random

How does the CVE standard make network security devices and tools more effective?

They can share information about attack signatures

At which layer of the OSI model does IPsec work?

Three

A worm creates files that copy themselves repeatedly and consume disk space

True

Packet fragmentation is not norma, and can only occur if an attack has been initiated.

True

Which of the following is a current standard for PKI that specifies a strict hierarchical system for CAs issuing certificates?

X509

Which type of scan has the FIN,PSH, and URG flags set?

Xmas scan

In which form of authentication does the authenticating device generate a random code and send it to the user who wants to be authenticated?

challenge/response

Which of the following is not a reason for subletting a network?

making larger groups of computers

Which type of attack works by an attacker operating between two computers in a network and impersonating one computer to intercept communications?

man-in-the-middle

Which of the following is true about cryptographic primitives?

primitives are usually not the source of security failures

Under which suspicious traffic signature category would a port scan fall?

reconnaissance

Which of the following is NOT a category of suspicious TCP/IP packet?

suspicious CRC value


Related study sets

Management 3000 - Exam 2 (Quizzes)

View Set

CH. 14 - sensitivity/specificity

View Set

SS8H5: Evaluate the impact of the Civil War on Georgia

View Set

Financial Accounting Exam: Chapters 3&4

View Set