When a systems development life cycle (SDLC) methodology is
inadequate, the MOST serious immediate risk is that the new
system will:
A. be completed late.
B. exceed the cost estimates.
C. not meet business and user needs.
D. be incompatible with existing systems.
Answer / guest
Answer: C
Although all of the answers are risks of an inadequate SDLC
methodology, the first and most devastating is that the new
system will not need business and user needs and requirements.
| Is This Answer Correct ? | 10 Yes | 1 No |
A control that detects transmission errors by appending calculated bits onto the end of each segment of data is known as a: A. reasonableness check. B. parity check. C. redundancy check. D. check digits.
Which of the ISO/OSI model layers provides for routing packets between nodes? A. Data link B. Network C. Transport D. Session
A MAJOR risk of using single sign-on (SSO) is that it: A. has a single authentication point. B. represents a single point of failure. C. causes an administrative bottleneck. D. leads to a lockout of valid users.
The secure socket layer (SSL) protocol addresses the confidentiality of a message through: A. symmetric encryption. B. message authentication code. C. hash function. D. digital signature certificates.
To affix a digital signature to a message, the sender must first create a message digest by applying a cryptographic hashing algorithm against: A. the entire message and thereafter enciphering the message digest using the sender's private key. B. any arbitrary part of the message and thereafter enciphering the message digest using the sender's private key. C. the entire message and thereafter enciphering the message using the sender's private key. D. the entire message and thereafter enciphering the message along with the message digest using the sender's private key.
Connection-oriented protocols in the TCP/IP suite are implemented in the: A. transport layer. B. application layer. C. physical layer. D. network layer.
Which of the following is a network architecture configuration that links each station directly to a main hub? A. Bus B. Ring C. Star D. Completed connected
Change control procedures to prevent scope creep during an application development project should be defined during: A. design. B. feasibility. C. implementation. D. requirements definition.
In a data warehouse, data quality is achieved by: A. cleansing. B. restructuring. C. source data credibility. D. transformation.
To review access to ceratin data base to determine whether the "new user" forms were correctly authorized. This is an example of:
Which of the following security techniques is the BEST method for authenticating a user's identity? A. Smart card B. Biometrics C. Challenge-response token D. User ID and password
Without compensating controls, which of the following functions would represent a risk if combined with that of a system analyst? A. Application programming B. Data entry C. Quality assurance D. Database administrator