network – web-dev-net-platform – কুইজ মডেল টেস্ট অনুশীলন – 9

81. Why would the network administrator configure port security on a new switch?

1. To protect the IP and MAC address of the switch and associated ports.
2. To prevent unauthorized Telnet access to a switch port.
3. To limit the number of Layer 2 broadcasts on a particular switch port.
4. To prevent unauthorized hosts from accessing the LAN.

82. You wish to increase the security of all of the routers within the network. What can be done to secure the virtual terminal interfaces on a router?

1. Create an access list and apply it to the virtual terminal interfaces with the access-group command
2. Administratively shut down the interface
3. Physically secure the interface
4. Configure a virtual terminal password and login process.

83. On router PC1 , the network administrator issued the "service password-encryption" command. What is the effect of this configuration command?

1. Only the enable password will be encrypted
2. Only passwords configured after the command has been entered will be encrypted
3. It will encrypt all current and future passwords.
4. Only the enable secret password will be encrypted

84. In an effort to increase security within the wireless network, WPA is being utilized. Which statement shown below 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. It requires use of an open authentication method
3. It includes authentication by PSK
4. None of the above

85. Company is using IP addressing according to RFC 1918. Which address range is used for internal private address blocks as defined by RFC 1918?

1. 172.16.0.0 to 172.16.255.255
2. None of the above
3. 10.0.0.0 to 10.255.255.255
4. 0.0.0.0 to 255.255.255

86. Which one of the following characteristics is true regarding the use of hubs and switches?

1. Using hubs is costly with regard to bandwidth availability.
2. Hubs can have their ports be configured with VLANs
3. Switches increase the number of collision domains in the network.
4. Switches can not forward broadcasts.

87. Which of the following commands would you use to configure a default route to any destination NOT found in the routing table of router PC1 ?

1. PC1 (config)# ip route 0.0.0.0 255.255.255.255 s0
2. PC1 (config)# ip route 0.0.0.0 0.0.0.0 s0
3. PC1 (config)# ip default-route 0.0.0.0 0.0.0.0 s0
4. PC1 (config)# ip default-route 0.0.0.0 255.255.255.255 s0

88. What would be the value of TOP is the STACK_SIZE=10?

1. 7
2. 10
3. 8
4. 9

89. After logging into a router and typing in a few show commands, you press the up arrow key. What will this do?

1. It will move the cursor one line up
2. It will recall the previous command line
3. It will capitalize the command line
4. It will redisplay the current command line

90. What is the highest layer used during the FTP sessions?

1. Transport
2. Presentation
3. Application
4. Session

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।