CT320 IQ 12

Show Main.IQ12 as a slide show.

DNS Records

Which kind of DNS record tells you the IP address for a name?

host -a ntp | grep  '^[[:lower:]]'

ntp.colostate.edu.	3600	IN	A	129.82.100.12
ntp.colostate.edu.	3600	IN	A	129.82.100.11
colostate.EDU.		42858	IN	NS	dns3.colostate.edu.
colostate.EDU.		42858	IN	NS	dns1.colostate.edu.
colostate.EDU.		42858	IN	NS	dns2.colostate.edu.
dns1.colostate.EDU.	42858	IN	A	129.82.103.121
dns2.colostate.EDU.	42858	IN	A	13.88.23.86
dns3.colostate.EDU.	42858	IN	A	129.82.103.111

1. A
2. CNAME
3. MX
4. NS
5. TXT

Privacy

Your browser connects to http://example.com/foo/bar.html.
What parts of this transaction are visible to others on the internet?

1. Nothing
2. Just the hostname (example.com)
3. Just the request (foo/bar.html)
4. Just the result
5. Everything

More Privacy

Your browser connects to https://example.com/foo/bar.html.
What parts of this transaction are visible to others on the internet?

1. Nothing
2. Just the hostname (example.com)
3. Just the request (foo/bar.html)
4. Just the result
5. Everything

Name

SNMP stands for:

1. Secure Node Mapping Package
2. Simple Mail Transfer Protocol
3. Simple Network Management Protocol
4. Synchronous Node Method Paradigm
5. System Node Micro Programming

Packets

An SNMP PDU is:

1. a TCP packet
2. a UDP packet
3. neither
4. either
5. hither
6. thither

hither = toward the speaker, thither = away

Numbers

1.3.6.1.4.1.119.2.3.14.3.1.3 is an example of:

1. a GID
2. an OID
3. a PID
4. an SID
5. a UID
6. Jack’s home IPv6 address

Short-Term Memory

“hither & thither” mean:

1. away from the speaker & toward the listener
2. toward the listener & away from the listener
3. toward the speaker & away from the speaker
4. toward the listener & toward from the speaker
5. away from the speaker & toward the speaker
6. away from the listener & toward the listener

C. hither = toward the speaker, thither = away. Go thither!