Question 521: Which of the following protocols is used to transport outgoing mail across networks?
Question 522: A network technician needs to monitor the traffic going to a mission-critical server in the datacenter. Which of the following is the BEST method to perform this?
A. Use port mirroring
B. Install an inline tap
C. Periodically view the server logs
D. Configure port aggregation
Question 523: When using a network monitoring system, a network technician notices that a switch returns many object identifiers that do not have descriptions. Which of the following should be imported into the monitoring system to describe these object identifiers?
Question 524: A company hires some temporary workers. On day one, the temporary employees report they are unable to connect to the network. A network technician uses a packet analysis tool and finds that many clients are continuously sending out requests for an IP address, but many of them are not receiving a response. Which of the following could be the cause of this issue?
A. Exhausted DHCP scope
B. Untrusted SSL certificates
C. Duplicate MAC addresses
D. Incorrect firewall settings