John works as a Technician for Blue Tel Inc. He notices errors in a routing table. Which of the following layers of the OSI model is associated with this situation?
A. Application Layer
B. Data Link Layer
C. Transport Layer
D. Network Layer
A scenario involves a pool of users with private IP addresses who need to access the Internet; however, the company has a limited number of IP addresses and needs to ensure users occupy only one public IP address.
Which technology is used to allow a pool of users to share one global IP address for Internet access?
A. Pool Address Translation
B. Private Address Translation
C. Port Address Translation
D. Per-user Address Translation
You have been hired by Future Perfect Inc. to configure its TCP/IP-based network. The company has three branch offices at different locations. You decide to use private IP addressing.
Which of the following are the characteristics of private IP addressing? Each correct answer represents a complete solution. Choose all that apply.
A. Private IP addresses can be assigned by many organizations at a time without conflict.
B. Private IP addresses are provided by an Internet Service Provider.
C. Private IP addresses are used to create a network for home users only.
D. NAT allows users to share a single public IP address with private IP addresses.
Which of the following VLAN Trunk Protocol (VTP) modes is used to create, modify, and delete VLANs?
A. Transparent
B. VTP server
C. VTP client
D. Exchange
Which of the following are types of Digital Subscriber Line (DSL)? Each correct answer represents a complete solution. Choose two.
A. BDSL
B. ADSL
C. SDSL
D. NDSL
Which of the following are the key steps that must be taken while planning and implementing QoS policies? Each correct answer represents a part of the solution. Choose three.
A. Divide traffic into classes.
B. Identify traffic and its requirement.
C. Remove unnecessary protocols.
D. Define policies for each traffic class.
Which of the following layers of the OSI model is responsible for converting between ASCII and EBCDIC?
A. Presentation Layer
B. Application Layer
C. Network Layer
D. Transport Layer
Which of the following address translation types only translates one (and only one) IP address to another without using ports?
A. PAT
B. Dynamic NAT
C. NAT
D. Static NAT
Which of the following devices is used to create VLANs in a small network?
A. Switch
B. Repeater
C. Hub
D. Bridge
John works as a Sales Engineer for KBC Inc. He has been assigned a project to install a soft phone on different computers. One of the computer systems on the LAN is experiencing problems in voice quality.
Which of the following actions should John perform to resolve the problem?
A. Upgrade the Network Interface Card (NIC).
B. Upgrade the computer system.
C. Add more system RAM.
D. Upgrade the network cable to category 6 cabling.
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