Assume transaction A holds a share lock R. If a transaction B also requests for a shared lock on R.

Which of the following is NOT a variant of a timestamp-based method of concurrency control in a database management system?

Which of the following control fields in TCP header is used to specify whether the sender has no more data to transmit?

The network 198.78.41.0 is a

In networking, UTP stands for

The division of system into components, processes and sub system is called सिस्टम के घटकों, प्रक्रियाओं और सब सिस्टम में विभाजन को कहा जाता है

The most important feature of spiral model is spiral मॉडल की सबसे महत्वपूर्ण विशेषता है

A .......... is a data communication system within a building, plant, or campus, or between nearby buildings.

The ___ layer is responsible for node-to-node packet delivery.

Which layer provides the services to user?

TCP/IP model was developed the OSI model.

A port address in TCP/IP is bits long.

Ethernet uses a physical address that is imprinted on the network interface card (NIC)

. .......... provides full transport layer services to applications.

The layer is responsible for moving frames from one hop (node) to the next.

The port numbers used by HTTP and HTTPs are.......... and................

............. and..............are protocols used for pulling messages from a mail server

Which of the following is not a higher-layer protocol defined as part of
SSL ?

A .......... is a set of rules that governs data communication.

.......... is a collection of many separate networks.

Which topology requires a multipoint connection?