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block

What is the name for a substitution cipher that shifts the alphabet by 13 places?

Select the correct answer(s).  

(0/0)

---

Transposition cipher

Polyalphabetic cipher

Caesar cipher

ROT13 cipher

none

Which access control model would a lattice-based access control model be an example of?

Select the correct answer(s).  

(0/0)

---

Mandatory Acces Control

Rule-based Access Control

Role-based Access Control

Discretionary Access Control

none

Out of the steps listed below, which one is not one of the steps conducted during the Business Impact Analysis (BIA)?

Select the correct answer(s).  

(0/0)

---

Alternate site selection

Identify the company's critical business functions

Select individuals to interview for data gathering

Create data-gathering techniques

none

On which of the following protocols does the tool Firewalk or the technique Firewalking primarily rely on?

Select the correct answer(s).  

(0/0)

---

ICMP

TCP

UDP

IGMP

none

Which of the following concerning the Rijndael block cipher algorithm is FALSE?

Select the correct answer(s).  

(0/0)

---

The cipher has a variable block length and key length.

Both block size and key length can be extended to multiples of 64 bits.

A total of 25 combinations of key length and block length are possible

The design of Rijndael was strongly influenced by the design of the block cipher Square.

none

Which of the following should NOT be a role of the Security Administrator?

Select the correct answer(s).  

(0/0)

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Implementing security rules

Ensuring that local policies have been authorized by management

Allocating access rights

Authorizing access rights

none

Which of the following focuses on sustaining an organization's business functions during and after a disruption?

Select the correct answer(s).  

(0/0)

---

Disaster Recovery Plan

Business Continuity Plan

Continuity of Operations Plan

Business Recovery Plan

none

Which of the following is an example of an active attack?

Select the correct answer(s).  

(0/0)

---

Traffic analysis

Eavesdropping

Scanning

Wiretapping

none

Frame relay and X.25 networks are part of which of the following?

Select the correct answer(s).  

(0/0)

---

Circuit-switched services

Dedicated-switched services

Cell-switched services

Packet-switched services

none

Which of the following PBX feature supports shared extensions among several devices, ensuring that only one device at a time can use an extension?

Select the correct answer(s).  

(0/0)

---

Voicemail

Tenanting

Privacy Release

Call forwarding

none

Common Criteria has assurance level from EAL 1 to EAL 7 regarding the depth of design and testing. Which of the following assure the Target of Evaluation (or TOE) is methodically designed, tested and reviewed?

Select the correct answer(s).  

(0/0)

---

EAL 4

EAL 5

EAL 6

EAL 3

EAL 1

EAL 7

EAL 2

none

Which of the following is the preferred way to suppress an electrical fire in a data center?

Select the correct answer(s).  

(0/0)

---

ABC rated dry chemical

CO2

CO2 or Halon

Soda

none

A one-way hash provides MOST OFTEN which of the following?

Select the correct answer(s).  

(0/0)

---

Integrity

Authentication

Confidentiality

Availability

none

Which of the following statements relating to the Biba security model is FALSE?

Select the correct answer(s).  

(0/0)

---

It is a state machine model

Integrity levels are assigned to subjects and objects

Programs serve as an intermediate layer between subjects and objects.

A subject is not allowed to write up

none

Which of the following is NOT a known type of Message Authentication Code (MAC)?

Select the correct answer(s).  

(0/0)

---

DES-CBC

Universal message authentication code

Signature-based MAC

Keyed-hash message authentication code (HMAC)