Exam (elaborations)
Cnit 344 Exam 2 Questions And Answers With Verified Solutions Already Passed!!!
- Course
- Institution
Cnit 344 Exam 2 Questions And Answers With Verified Solutions Already Passed!!!
[Show more]
Content preview
Cnit 344 Exam 2 Questions And AnswersWith Verified Solutions Already
Passed!!!
The private IP address space is not routable on the public Internet -
ANSWER✔✔True
DHCP is only capable of providing layer 3 addressing to hosts on a single subnet -
ANSWER✔✔False
DHCP is build on top of the BootP framework - ANSWER✔✔True
A host may use an IP address indefinitely once it has been issued a lease from a
DHCP server - ANSWER✔✔False
All DHCP messages are broadcast at layer 2 and layer 3 - ANSWER✔✔True
A host will attempt to contact the exact same DHCP server that issued its current
lease when HALF the lease time has expired - ANSWER✔✔True
The Root and Designated Port are two of the types of ports used in STP
configurations - ANSWER✔✔True
Ping is the most popular implementations of ICMP messages - ANSWER✔✔True
According to the RFC, All hosts must respond to ICMP messages -
ANSWER✔✔False
There is no inherent security designed into ICMP - ANSWER✔✔True
ICMP provides a robust control mechanism to force specific IP behaviors on the
network - ANSWER✔✔False (ICMP for feedback)
NAT is a security mechanism to hide real IPs from the public internet -
ANSWER✔✔True (Hides entire internal network behind an address)
, If an IP address is not a reserved private address, then NAT/PAT is not deployed at
the edge of the network for this host to connect to the internet -
ANSWER✔✔True (Network Address Translation saves ip addresses. private ip
networks using unregistered ips can connect to internet. Basically, the router is
between private and public network, so 1 ip represents many computers)
PAT can map multiple inside addresses to a single outside address -
ANSWER✔✔True
NAT/PAT relives the IPv4 address depletion problem - ANSWER✔✔True*
Port forwarding is a form of NAT/PAT that is typically used for servers -
ANSWER✔✔True (port forward vs pat: port forwarding translate to a specific
device
In the OSI model, the transport layer enables internetworking - ANSWER✔✔False
(Layer 3: Network layer moves data through other networks - where ips are
applied for routing)
The "/32" notation in IPv4 address indicate there are 32 bits in the network
portion - ANSWER✔✔True (CIDR for network 255.255.255.0 = /24)
TCP and UDP are both reliable because they are connection-oriented -
ANSWER✔✔False (UDP unreliable but faster (streaming!))
In an established TCP session between 2 hosts, when a message is lost in
transmission the connection must be reset - ANSWER✔✔False (resent with every
packet already sent after it)
A UDP connection flow must be terminated with the FIN-FIN/ACK-ACK process,
just like TCP - ANSWER✔✔False (no handshake because UDP has no delivery
verification headers!!! just crosses fingers)
A root bridge is used to route DNS information to routers - ANSWER✔✔False (A
root bridge is a reference point for spanning tree for redundant paths to block)
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 classhub. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
78121 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now