Network and Security Engineer
Network Security Engineer designs, implements, and maintains the hardware and software security systems that protect an organization's computer networks and sensitive data from cyber threats
Quiz Questions
Q685: Why is SSH preferred over Telnet for device administration?
SSH needs no authentication
Telnet is newer
SSH is faster in all cases
Telnet is routable only
SSH encrypts the session including credentials
Q686: Scenario: A switch interface shows increasing CRC errors. What is the most likely cause?
A physical layer problem such as a faulty cable or duplex mismatch
A DNS cache problem
An expired TLS certificate
A BGP misconfiguration
An OSPF area mismatch
Q687: Which name is given to OSI layer 4?
Physical layer
Transport layer
Data Link layer
Network layer
Application layer
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