A company has been added to an unapproved list because of spam. The network administrator confirmed that a workstation was infected by malware.Which of the following processes did the administrator use to identify the root cause?
Answer(s): A
Traffic analysis pinpoints anomalous flows - such as excessive outbound spam - to identify the specific workstation infected with malware.
Which of the following actions happen during the first step of the troubleshooting methodology? (Choose two.)
Answer(s): C,F
Identify symptoms Gather and note the specific issues observed.Question users Interview affected users to understand what they're experiencing.
Which of the following cable types allows the use of QSFP ports without requiring transceivers?
Answer(s): B
Twinaxial direct-attach copper cables include integrated transceivers, allowing them to plug directly into QSFP ports without separate modules.
A network administrator determines that some switch ports have more errors present than expected. The administrator traces the cabling associated with these ports.Which of the following would most likely be causing the errors?
Answer(s): C
High electromagnetic fields around voltage transformers induce interference on copper cables, leading to increased errors.
A network administrator is troubleshooting an issue with a user's IP address.Which of the following layers of the OSI model should be considered?
IP addressing and routing are Layer 3 functions in the OSI model, so network-layer issues should be considered.
Which of the following will most likely allow a network administrator to work with current data after a disaster?
A hot site provides a fully configured, continuously replicated environment so you can immediately switch operations and access up-to-date data after a disaster.
A network technician is attempting to map networking devices.When logged in to the local switch, the technician uses LLDP and discovers only those devices that are connected directly to the switch.Which of the following should the technician perform to discover all the networking devices?
LLDP only reports directly connected neighbors; to map the entire network you need to log in to each discovered device and run LLDP there to find further connections.
Which of the following can be used when a server at a remote site is physically unreachable?
Out-of-band management provides a separate management channel (often via a dedicated network or modem) that lets you access and control a server even if the primary network or physical access is unavailable.
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