network – web-dev-net-platform – কুইজ মডেল টেস্ট অনুশীলন – 6

51. What is the use of CSU

1. used to perform loopback testing
2. All of the above
3. perform bit stuffing
4. provide a framing and formatting pattern

52. You are responsible for securing the Wireless LAN using WPA. Which statement best describe the wireless security standard that is defined by WPA?

1. It specifies use of a static encryption key that must be changed frequently to enhance security
2. None of the above
3. It requires use of an open authentication method
4. It specifies the use of a dynamic encryption keys that change each time a client establishes a connection

53. The corporate LAN consists of one large flat network. You decide to segment this LAN into two separate networks with a router. What will be the affect of this change?

1. It will make the broadcasting of traffic between domains more efficient between segments.
2. It will prevent segment 1’s broadcasts from getting to segment 2.
3. The number of broadcast domains will be decreased
4. It will increase the number of collisions.

54. The memory address of the first element of an array is called…?

1. A floor address
2. A base address
3. All of these
4. A first address

55. Which of the following commands will display the name of the IOS image file being used in a router?

1. Router# show image
2. Router# show version
3. Router# show IOS
4. Router# show protocols

56. Which statements describe the operation of the CSMA/CD access method, which is in use on the network?

1. After a collision
2. the station that detected the collision has first priority to resend the lost dataIn a CSMA/CD collision domain
3. multiple stations can successfully transmit data simultaneously.The use of hubs to enlarge the size of collision domains is one way to improve the operation of the CSMA/CD access methodIn a CSMA/CD collision domain
4. stations must wait until the media is not in use before transmitting”;}}

57. Which practice help secure the configuration utilities on wireless access points from unauthorized access?

1. assigning a private IP address to the AP
2. configuring traffic filtering
3. None of the above
4. configuring a new administrator password

58. ICMP is often used in troubleshooting and verifying network. What statements are true regarding ICMP packets?

1. They can provide hosts with information about network problems.
2. They guarantee datagram delivery.
3. None of the above
4. They acknowledge receipt of TCP segments.

59. After working all night and successfully configuring a Cisco router for the network you save your changes on the startup config, reboot the router, and go out. When you return, none of your changes are active and the router boots to the initial configuration mode! Which of the choices below indicates the source of your problem?

1. Startup-config in NVRAM is corrupt and cannot be analyzed
2. Startup-config in flash is corrupt and cannot be analyzed
3. Hardware failure in NVRAM prevents the router from loading the config
4. Router configuration-register set to bypass startup configuration

60. You work as a network engineer. You are required to allow establishment of a Telnet session with a router C Which set command must be configured?

1. C(config)# line console 0 C(config-line)# enable password
2. C(config)# line console 0 C(config-line)# enable secret C(config-line)# login
3. C(config)# line console 0 C(config-line)# password C(config-line)# login
4. C(config)# line vty 0 C(config-line)# password C(config-line)# login

আমাদের কাছে থাকা লক্ষ লক্ষ মডেল টেস্ট থেকে প্রাকটিজের জন্য কিছু এখানে তুলে ধরা হল। প্রতিটি অধ্যায়ের উপরে ইশিখন.কম কুইজ চ্যালেঞ্জ এ আছে শত শত মডেল টেস্ট বার বার মডেল টেস্ট দিয়ে নিজেকে যাচাই কর এবং পুরো বাংলাদেশের সকল শিক্ষার্থীর সাথে আপনার মেধা তালিকা দেখুন। প্রশ্নে কোন প্রকার ভুল থাকলে সঠিক উত্তরসহ নিচে কমেন্ট করে জানাবেন, আমরা ঠিক করে দেবো।