Exam (elaborations)
CS402: Saylor Direct Credit Final Exam | Saylor Academy Questions and Answers 2023
- Course
- Institution
CS402: Saylor Direct Credit Final Exam | Saylor Academy Questions and Answers 2023
[Show more]
Seller
Follow
Victorious23
Reviews received
Content preview
CS402: Saylor Direct Credit Final Exam |Saylor Academy Questions and Answers 2023
___ messages are sent from one computer to the set of computers in its
logical group. - -Multicast
-Which of the following is a network that spans multiple LANs but is smaller
than a MAN?
a. CAN
b. PAN
c. TAN
d. WAN - -a. CAN
-If the physical layer delivers 1000 bits to the receiver, but the receiver only
receives 900 bits, how could you describe the behavior of the physical layer?
a. Reliable
b. Error-free
c. Unreliable
d. Compressed - -c. Unreliable
-_____ network topologies are the most expensive to implement, since they
use the most network cable. - -Mesh
-How many direct links are required to support ten nodes in a fully-
connected network topology? - -n(n-1)/2
(10)((10)-1)/2
10(9)/2
=45
-Which of the following network topologies is relatively cheap to implement,
since it uses a single wire to connect every computer in the network? - -Bus
-What is the RFC? - -A database of Internet service providers
-Which kind of protocol would you use to stream live programs when you do
not want to miss any future or present events, but you do not care as much
about missing past packets? - -UDP
-The protocols for email and web file access are described in which layer of
the Internet protocol?
a. Application
b. Network
c. Transport
d. Session - -a. Application
, -Which of the following OSI layers is responsible for routing IP packets?
a. Network
b. Presentation
c. Session
d. Transport - -a. Network
-Review this TCP packet. Which of the following sections would be different if
you were instead looking at a UDP packet? - -
-Which of the following layers is a combination of the Application,
Presentation, and Session layer in the TCP/IP reference model? - -Application
Layer
-Which of the following layers is unique to the TCP/IP reference model? - -a.
Application <- I think (?)
[not: b. Internet]
c. Transport
d. VoIP
-What type of WAN technology would you recommend for an organization
that wants to lay optical fiber cable between two cities? - -Sonet
-Which of the following types of cable would most likely be found in a public
network?
a. Coaxial
b. Optical fiber
c. Twisted pair
d. Plenum cable - -[not: a. Coaxial]
b. Optical fiber
c. Twisted pair <- I think?
d. Plenum cable
-How should you begin troubleshooting a network issue where every user is
getting a host unreachable error, which usually comes from an application-
layer protocol?
a. Update the clients' IP address settings.
b. Restart the DNS server and verify all the devices.
c. Restart the DHCP server and verify all the services.
d. Update the users' browser settings and verify them using a ping
command. - -b. Restart the DNS server and verify all the devices.
-A(n) _____ query requests the domain name that corresponds to a given IP
address. - -a. inverse
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 Victorious23. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
77764 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now