1. (TCO A) Organization XYZ has just been granted access tothe LAN of the ABC organization to access Web-based
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applications over theInternet. Organization ABC has established what type of access? (Points : 5)
Extranet Internet Remote Protocol Exchange Intranet
Question 2. 2. (TCO B) The ________________ is a WAN network thatincludes hundreds of thousands to millions of machines and users worldwide. (Points : 5)
Intranet Metropolitan Area Network (MAN) Internet Ethernet
Question 3. 3. (TCO B) Which of the following is considered a componentof a network? (Points : 5)
Server Client Circuit All of the above
Question 4. 4. (TCO C) Which is true about a network hub? (Points : 5)
When a frame is sent from one computer to another, the hub retransmits it to all computers attached. it keeps a table of addresses and ports. Each circuit connected to it is not shared. Internally, the logical topology is a set of point-to-point circuits.
Question 5. 5. (TCO C) Hubs and switches also act as __________ to helpprevent attenuation. (Points :
repeaters firewalls junction points layer 2 devices
Question 6. 6. (TCO D) A ___________ connect(s) two similarnetworks having the same network protocol and chooses the best routebetween two networks when there are multiple paths. (Points : 5)
router modem router and modem None of the above
Question 7. 7. (TCO D) In the case of Internet operation, a networkaccess point is ______.(Points : 5)
the point that links regional ISPs used by National ISPs to exchange data used to exchange data between local servers and local ISPs used as a redundant path between local ISPs
Question 8. 8. (TCO E) Your organization has been the victim of arecent DoS on one of your public websites. Your CIO wants this problem tohave minimal impact on your organization in the future. What is the besttechnology to deploy to quickly detect and take action on a DoS attack onceit starts? (Points : 5)
Firewall Intrusion detection system Traffic filters and traffic limiting Honeypot
Question 9. 9. (TCO E) Your organization has decided to host a webserver that will be accessible by the public. Organizational leadership isconcerned about the web server being compromised and thus allowing theremaining network to be compromised. You want to come up with a solution tohost and secure the Web server internally but still protect yournetwork. What should you do?(Points : 5)
Use a firewall Put the web server on the DMZ Put the web server in front of the firewall. Chassis based switch
Question 10. 10. (TCO F) The building block design approach is sometimescalled ______. (Points : 5)
wide and shallow narrow and deep wide and deep narrow and shallow
Question 11. 11. (TCO F) Your company is new and finally has acquired anoperating facility. You are in change of designing the network.Organizational leadership has explained to you that they want a networkthat is simplistic, standardized, and that can be implemented in less thanone year. What design option would best suit the needs of the organization? (Points : 5)
Needs analysis Traditional network design Building-block network design Lateral network design
Question 12. 12. (TCO G) __________ policies attempt to allocate costsassociated with a WAN or a mainframe to specificusers. (Points : 5)
Charge-back Web spinning Internet access fees Support staff billing
Question 2. 2. (TCO B) Discuss and support your opinions of why combining voice and data is a major organizational challenge. Include your thoughts on its possible impacts on the organization in terms of competitive advantage, internal organization, and so forth. (Points : 25)
Question 3. 3. (TCO C) Switched Ethernet networks dominate the landscape of computer networks today. What improvements do Switched Ethernet networks have over its predecessor Shared Ethernet networks? Be specific and answer in details. (Points : 25)
Question 4. 4. (TCO C) What are the preferred technologies used in the three technology layers in backbone design? Describe each of the technologies in detail
Question 5. 5. (TCO D) What are the principal organizations responsible for Internet governance, and what do they do? (Points : 25)
Question 7. 7. (TCO F) What are some major problems that can cause network designs to fail? Provide the problems in detail. (Points : 25)
Question 6. 6. (TCO E) Viruses and worms are issues that any networking professional must face. Compare and contrast viruses and worms. Be n. (Points : 25)
Question 8. 8. (TCO G) The total cost of ownership (TCO) is a measure of how much it costs per year to keep one computer operating. TCO includes the cost of support staff to attach it to the network, install software, administer the network (e.g., create user ids, backup user data), provide training and technical support, and upgrade hardware and software. It also includes the cost of time “wasted” by the user when problems occur or when the user is attempting to learn new software. Discuss in detail at least three approaches that can be used to reduce network costs. (Points : 25)
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