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GK One-Line Question & Answer

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Computer Networks → Introduction to Computer Networks 14

What is firewall zoning
Dividing network into security zones with policies between
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What is inter-zone policy
Rules governing traffic between different security zones
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What is intra-zone policy
Rules governing traffic within same security zone
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What is network security policy lifecycle
Create review approve implement audit and update
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What is firewall rule cleanup
Removing unused or redundant firewall rules
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What is shadow rule in firewall
Rule that is never hit because earlier rule matches first
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What is implied rule in firewall
Built-in rule like implicit deny at end of policy
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What is stealth rule in firewall
Rule protecting firewall itself from direct access
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What is any-any rule risk in firewall
Allowing all traffic defeating purpose of firewall
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What is egress filtering importance
Preventing data exfiltration and limiting attack scope
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What is DMZ architecture benefit
Isolating public-facing servers from internal network
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What is network perimeter security evolution
From hard perimeter to zero trust with no implicit trust
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What is the most important skill in computer networks
Systematic troubleshooting combining theoretical and practical knowledge
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What is the conclusion about Computer Networks importance
Foundation for all modern computing and digital transformation
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DBMS → Introduction to DBMS 2

Which of the following is a Data Model?
all of the above
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The descriptive property possessed by each entity set is _________
Attribute
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DBMS → Database Architecture 2

A collection of related data.
Database
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The function that an entity plays in a relationship is called that entity’s _____________
Role
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DBMS → Data Models 2

DBMS is software.
TRUE
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The attribute name could be structured as an attribute consisting of first name, middle initial, and last name. This type of attribute is called
Composite attribute
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DBMS → ER Model 2

DBMS manages the interaction between __________ and database.
End Users
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In a relation between the entities the type and condition of the relation should be specified. That is called as______attribute.
Desciptive
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DBMS → Relational Model 2

Which of the following is not involved in DBMS?
HTML
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_____________ can help us detect poor E-R design.
Functional dependencies
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DBMS → Normalization 2

Database is generally __________
User-centered
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If a multivalued dependency holds and is not implied by the corresponding functional dependency, it usually arises from one of the following sources.
Both A many-to-many relationship set and A multivalued attribute of an entity set
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DBMS → Functional Dependency 2

A characteristic of an entity.
Attribute
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Which of the following has each related entity set has its own schema and there is an additional schema for the relationship set.
A many-to-many relationship set
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DBMS → SQL Basics 2

The restrictions placed on the data.
Constraint
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In which of the following, a separate schema is created consisting of that attribute and the primary key of the entity set.
A multivalued attribute of an entity set
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DBMS → DDL Commands 1

IMS stands for?
Information Management System
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DBMS → DML Commands 1

A model developed by Hammer and Mc Leod in 1981.
SDM
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DBMS → Joins 1

Object=_________+relationships.
entity
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DBMS → Views 1

Duplication of data at several places is called as _______________.
Data Redundance
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DBMS → Indexes 1

Data Redundancy increases the cost of storing and retrieving data.
TRUE
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DBMS → Transactions 1

Which of the information is not redundant.
account-no
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DBMS → Concurrency Control 1

If in redundant file common fields are not matching then it results in _____________.
Data Inconsistency
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DBMS → Deadlock 1

It is difficult to access conventional file system than Database System.
TRUE
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DBMS → Database Security 1

An ________ is a set of entities of the same type that share the same properties, or attributes.
Entity set
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DBMS → PL/SQL 1

Entity is a _________
Thing in real world
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