45. A support technician uses the ping utility on a system that is online, yet no response is received. What should be allowed through a firewall, for ping to operate correctly?
- ICMP
- Echo request
- Echo reply
- TTL
46. While in an interactive nslookup session, you'd use the ______ keyword to change the DNS server you're using.
- Client
- FQDN
- DNS
- Server
47. The ability for a protocol or program to determine that something went wrong is known as ________.
- error detection
- data resilience
- redundancy
- data verification
48. When using the netcat command to test a network port, which option will provide output that is not useful for scripting, but is useful for the human eye?
- -z
- -v
- -Port
- No option is required
49. A company runs sensitive technologies locally, while entrusting less-sensitive technologies to a broader user base. Which cloud delivery model is being used?
- Private
- Community
- Hybrid
- Public
