An installed Ethernet cable run in an unshielded twisted
pair (UTP) network is more than 100 meters long. Which of
the following could be caused by the length of the cable?
A. Electromagnetic interference (EMI)
B. Cross talk
C. Dispersion
D.Attenuation
- 2 Answers
- 8203 Views
- I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / guest
Answer: D
Attenuation is the weakening of signals during transmission.
When the signal becomes weak, it begins to read a 1 for a 0,
and the user may experience communication problems. UTP
faces attenuation around 100 meters. Electromagnetic
interference (EMI) is caused by outside electromagnetic
waves affecting the desired signals, which is not the case
here. Cross talk has nothing to do with the length of the
UTP cable.
| Is This Answer Correct ? | 10 Yes | 0 No |
The PRIMARY advantage of a continuous audit approach is that it: A. does not require an IS auditor to collect evidence on system reliability while processing is taking place. B. requires the IS auditor to review and follow up immediately on all information collected. C. can improve system security when used in time-sharing environments that process a large number of transactions. D. does not depend on the complexity of an organization's computer systems.
Where adequate segregation of duties between operations and programming are not achievable, the IS auditor should look for: A. compensating controls. B. administrative controls. C. corrective controls. D. access controls.
The extent to which data will be collected during an IS audit should be determined, based on the: A. availability of critical and required information. B. auditor's familiarity with the circumstances. C. auditee's ability to find relevant evidence. D. purpose and scope of the audit being done.
Which of the following applet intrusion issues poses the GREATEST risk of disruption to an organization? A. A program that deposits a virus on a client machine B. Applets recording keystrokes and, therefore, passwords C. Downloaded code that reads files on a client's hard drive D. Applets opening connections from the client machine
After installing a network, an organization installed a vulnerability assessment tool or security scanner to identify possible weaknesses. Which is the MOST serious risk associated with such tools? A. Differential reporting B. False positive reporting C. False negative reporting D. Less detail reporting
Which of the following procedures would BEST determine whether adequate recovery/restart procedures exist? A. Reviewing program code B. Reviewing operations documentation C. Turning off the UPS, then the power D. Reviewing program documentation
An IS auditor should use statistical sampling and not judgmental (nonstatistical) sampling, when: A. the probability of error must be objectively quantified. B. the auditor wants to avoid sampling risk. C. generalized audit software is unavailable. D. the tolerable error rate cannot be determined.
Which of the following is a continuity plan test that uses actual resources to simulate a system crash to cost-effectively obtain evidence about the plan's effectiveness? A. Paper test B. Post test C. Preparedness test D. Walk-through
Which of the following controls would provide the GREATEST assurance of database integrity? A. Audit log procedures B. Table link/reference checks C. Query/table access time checks D. Rollback and rollforward database features
An organization's disaster recovery plan should address early recovery of: A. all information systems processes. B. all financial processing applications. C. only those applications designated by the IS manager. D. processing in priority order, as defined by business management.
A referential integrity constraint consists of: A. ensuring the integrity of transaction processing. B. ensuring that data are updated through triggers. C. ensuring controlled user updates to database. D. rules for designing tables and queries.
An IS auditor has just completed a review of an organization that has a mainframe and a client-server environment where all production data reside. Which of the following weaknesses would be considered the MOST serious? A. The security officer also serves as the database administrator (DBA.) B. Password controls are not administered over the client/server environment. C. There is no business continuity plan for the mainframe system?s non-critical applications. D. Most LANs do not back up file server fixed disks regularly.
Cisco Certifications 
