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Technical Short Answers

Core Java

What is the most important feature of Java? Java is a platform independent language. What do you mean by platform independence? Platform independence means that we can write and compile the java code in one platform (eg Windows) and can execute the class in any other supported platform eg (Linux,Solaris,etc). …

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SQL Server General Questions

What is RDBMS? Relational Data Base Management Systems (RDBMS) are database management systems that maintain data records and indices in tables. Relationships may be created and maintained across and among the data and tables. In a relational database, relationships between data items are expressed by means of tables. Interdependencies among …

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IPv6

1. Which of the following is true when describing a multicast address? A. Packets addressed to a unicast address are delivered to a single interface. B. Packets are delivered to all interfaces identified by the address. This is also called a one-to-many address. C. Identifies multiple interfaces and is only …

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Virtual LANs

1. Which of the following is true regarding VLANs? A. You must have at least two VLANs defined in every Cisco switched network. B. All VLANs are configured at the fastest switch and, by default, propagate this information to all other switches. C. You should not have more than 10 …

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EIGRP and OSPF

1. With which network type will OSPF establish router adjacencies but not perform the DR/BDR election process? A. Point-to-point B. Backbone area 0 C. Broadcast multi-access D. Non-broadcast multi-access Answer: Option A No DR is assigned on any type of point-to-point link. No DR/BDR is assigned on the NBMA point-to-multipoint …

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Managing a Cisco Internetwork

1. You have your laptop directly connected into a router’s Ethernet port. Which of the following are among the requirements for the copy flash tftp command to be successful? TFTP server software must be running on the router. TFTP server software must be running on your laptop. The Ethernet cable …

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Subnetting

1. Your router has the following IP address on Ethernet0: 172.16.2.1/23. Which of the following can be valid host IDs on the LAN interface attached to the router? 172.16.1.100 172.16.1.198 172.16.2.255 172.16.3.0 A. 1 only B. 2 and 3 only C. 3 and 4 only D. None of the above …

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Internetworking

1. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment? Switch NIC Hub Repeater RJ45 transceiver A. 1 only B. 1 and 3 C. 3 and 4 D. 5 only Answer: Option C Not that you really want to enlarge a single …

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Wide Area Networks

1. When setting up Frame Relay for point-to-point subinterfaces, which of the following must not be configured? A. The Frame Relay encapsulation on the physical interface B. The local DLCI on each subinterface C. An IP address on the physical interface D. The subinterface type as point-to-point Answer: Option C …

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Wireless Technologies

1. What is the frequency range of the IEEE 802.11a standard? A. 2.4Gbps B. 5Gbps C. 2.4GHz D. 5GHz Answer: Option D The IEEE 802.11a standard runs in the 5GHz RF range. 2. What is the maximum distance running the lowest data rate for 802.11b? A. About 100 feet B. …

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