Exam (elaborations)
CNIT 34220 Exam 1 Questions And Answers 100% Solved.
- Course
- Institution
CNIT 34220 Exam 1 Questions And Answers 100% Solved.
[Show more]
Content preview
CNIT 34220CNIT 34220 Exam 1 Questions And
Answers 100% Solved.
T/F: 192.168.1.IN-ADDR.ARPA is the typical name of the reverse address zone for the
192.168.1.0/24 network. - ✔✔✔ - False
T/F: ICANN is responsible for creating top-level domains. - ✔✔✔ - True
T/F: Best practice is to use your Internet DNS domain for your Active Directory. - ✔✔✔ - False
T/F: The DNS system would take a disproportionate amount of the Internet bandwidth if it were
not for caching. - ✔✔✔ - True
T/F: From a practical perspective the DNS name space is larger than anyone should need. -
✔✔✔ - True
T/F: To be considered authoritative, a DNS server must store records persistently. - ✔✔✔ - True
T/F: You must provide three DNS servers that are available 24/7 to register a second level
domain name. - ✔✔✔ - False
PTR records should only be found in ________________ name resolution zones. - ✔✔✔ - reverse
T/F: Root servers should only be consulted when a DNS server doesn't know the address of a
DNS server that is authoritative for the domain in question. - ✔✔✔ - True
CNIT 34220 Page 1
, CNIT 34220
T/F: PTR Records are used exclusively in forward name resolution tables. - ✔✔✔ - False
T/F: DNS zones and domains are synonymous. - ✔✔✔ - False
T/F: When using a relay host (forwarder), e-mail bounces can come from the origin host, the
relay host, or the destination host. - ✔✔✔ - False
T/F: When using a relay host you should limit the hosts that it will service. - ✔✔✔ - True
T/F: E-mail is a real-time communication technique. - ✔✔✔ - False; store and forward
T/F: IMAP is a means of retrieving mail on a server from a client. - ✔✔✔ - False; accessing
T/F: SMTP is used to deliver mail between hosts. - ✔✔✔ - True
Blacklisting services (MAPS, Spamhaus SBL, etc.) typically block specific e-mail from: addresses. -
✔✔✔ - False; content filtering
T/F: SMTP session verification uses DNS to verify which servers should send mail for a domain. -
✔✔✔ - True
T/F: A valid e-mail address contains a user name and a DNS entry. - ✔✔✔ - True
CNIT 34220 Page 2
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Boffin. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $14.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75632 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now