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WGU C172 Network and Security Foundations Chapter 3 Questions and answers, graded A+. VERIFIED. Which of the following are advantages of optical communication links? - -1. Security 2. Extremely wide bandwidth 3. Elimination of crosstalk What is the "two deep" rule relative to optical networking? - -This means that a building should only have the main distribution and the intermediate distribution that feeds the horizontal distribution to the work area What is the name of the optic...

WGU C172 Network and Security Foundations (v4): Unit 3&4: Terms, Full Review. Graded A+. Asset - -A person, device, location, or information that SecOps aims to protect from attack. Attack - -An action taken by a threat that exploits a vulnerability that attempts to either block authorized access to an asset, or to gain unauthorized access to an asset. Risk - -The potential of a threat to exploit a vulnerability via an attack. SecOps (IT security operations) - -A discipline responsible...

WGU C172 Network And Security Foundations. Exam Review Questions & Ans. Latest Update. Verified OSI Model Layer 1 - -Physical The Physical layer represents the physical medium that connects the computers together. OSI Model Layer 2 - -Data Link represents how computers logically connect to the network. Protocols at Layer 2 define how computers can share access to a common medium, such as a wired or wireless network. This includes protocols such as 802.3 Ethernet and 802.11 Wi-Fi. OS...

WGU C172 Network and Security Foundations. Full Coverage.Questions and answers Comprehensive. Guaranteed Passing. OSI Layer 1 - Physical - -Physical Layer: This layer is responsible for the physical connections of the devices in the network. This layer is implemented through the use of devices such as hubs, repeaters, modem devices, and physical cabling. OSI Layer 2 - Data Link - -Data Link Layer: This layer is responsible for the error-free delivery of data to the receiving device...

WGU C172 Network and Security – Foundations. Most Basic review. Rated A+ Social Engineering - -This is a way for an intruder to gain enough information from people to gain access to the network. As an example, an attacker calls a user on a network and claims he is from the computer support division of the network. The attacker tells the user that there is a problem with the user's account and then asks for the user's name and password. Dictionary Attack - -Uses known passwords and...

WGU C172 Network and Security – Foundations, Full Exam Section Review. Rated A+ protocol - -The set of rules established for users to exchange information topology - -The network architecture used to interconnect the networking equipment deterministic network - -Each station connected to the network is ensured access for transmission of its messages at regular or fixed time intervals bus topology - -The computers share the media (coaxial cable) for data transmission ThinNet - -The coax...

WGU C175: data management foundations. Guaranteed Mastery. Full Exam Coverage, rated A+ data - -numeric, textual, visual or audio information that describes real-world systems scope of data - -the amount of data produced and collected format of data - -data may be produced as numbers, text, image, audio, or video access of data - -some data sources are private while others are made publicly available database - -a collection of data in a structured format database system aka DBMS - -is ...

WGU C170 - Data Management – Applications, 100% Accurate. VERIFIED. Access plan - -A set of instructions generated at application compilation time that is created and managed by a DBMS. The access plan predetermines how an application's query will access the database at run time. Alias - -An alternative name for a column or table in a SQL statement. ALTER TABLE - -The SQL command used to make changes to table structure. When the command is followed by a keyword (ADD or MODIFY), it a...

WGU C170 Top Questions and Accurate answers. Rated A+. A salesperson is authorized to sell many products and a product can be sold by many salespersons. Which kind of binary relationship does this scenario describe? - -Many-to-many Which two examples are attributes? - -An employee number A meeting code Which delete rule sets column values in a child table to a missing value when the matching data is deleted from the parent table? - -Set-to-Null member_id INT UNSIGNED NOT NULL AUTO_INCRE...

WGU C170 Performance Assessment Questions and answers, rated A+ Syntax for updating a specific column in a specific row - -UPDATE <table> SET <atrribute> = <value> WHERE <primary key> = <value>; Syntax for deleting a row - -DELETE FROM <TableName> WHERE <PrimaryKey> = <#>; Syntax for creating a view - -CREATE VIEW <name> AS SELECT <columnname> CONCAT (<attribute>, ' ', <attribute>) AS <newname>, <attribut...

WGU C170 Data Management – Applications, Exam Review. Rated A+ A database model - -is a conceptual framework for database software The relational model - -is a database model based on mathematical principles, with three parts: 1. A data structure that prescribes how data is organized. 2. Operations that manipulate data structures. 3. Rules that govern valid relational data. A domain - -is a named set of possible database values, such as integers, dictionary words, or logical values TR...

WGU C170 Data Management – Applications, Rated A+. VERIFIED. domain - -In data modeling, the construct used to organize and describe an attribute's set of possible values superkey - -An attribute or attributes that uniquely identify each entity in a table. Any composite key with this is also this. candidate key - -A minimal superkey; that is, a key that does not contain a subset of attributes that is itself a superkey entity integrity - -The property of a relational table that guar...

WGU C170 Data Management Application, Questions and answers, 100% Accurate, VERIFIED. A salesperson is authorized to sell many products and a product can be sold by many salespersons. Which kind of binary relationship does this scenario describe? - -Many-to-Many Which kind of relationship is displayed in this entity-relationship diagram? - -Many-to-Many Unary Which kind of relationship is displayed in this entity-relationship diagram? - -Unary one-to-one How is this portion of the enti...

WGU C170 Data Management Application. Exam Review. Graded A+ AREA - -In DB2, a named section of permanent storage space that is reserved to store the database. associative entity - -See composite entity. bridge entity - -See composite entity. candidate key - -A minimal superkey; that is, a key that does not contain a subset of attributes that is itself a superkey. See key. closure - -A property of relational operators that permits the use of relational algebra operators on existing ta...

WGU C170 Data Management - Applications SQL Syntax. APPROVED. CREATE TABLE syntax DDL - -CREATE TABLE tableName ( colName dataType constraint INDEX indexName (colName) PRIMARY KEY (colName, colName) or colName dataType PRIMARY KEY FOREIGN KEY (colName, colName) REFERENCES tableName (colName) ); CREATE INDEX syntax DDL - -CREATE [UNIQUE] INDEX indexName ON tableName (colName); UNIQUE should only be used on a column that should not have duplicate values. DROP INDEX syntax DDL - ...

WGU C170 Chapter 2, Exam Review. 100% Accurate. Rated A+ binary relationship - -An ER term for an association (relationship) between two entities. For example, PROFESSOR teaches CLASS. cardinality - -An attribute that can be further subdivided to yield additional attributes. For example, a phone number such as may be divided into an area code (615), an exchange number (898), and a four-digit code (2368). Compare to simple attribute. composite identifier - -In ER modeling, a key compo...

WGU C170 Chapter 1, Full Review, Graded A+. Verified. AREA - -In DB2, a named section of permanent storage space that is reserved to store the database. associative entity - -See composite entity. bridge entity - -See composite entity. candidate key - -A minimal superkey; that is, a key that does not contain a subset of attributes that is itself a superkey. See key. closure - -A property of relational operators that permits the use of relational algebra operators on existing tables (r...

WGU C168-Critical Thinking & Logic. Top Exam Review Questions and answers, Rated A+ Critical thinking is comprised of 3 interlocking dimensions - -1- Analyzing 2- Evaluating 3-Improving Egocentrism - -the tendency to view everything in relationship to oneself Sociocentrism - -the assumption that one's own social group is inherently superior to all others First-Order Thinking - -ordinary thinking - spontaneous and non-reflective -contains insight, prejudice, good and bad reasoning -...

WGU C168 Unit 4- Exam Review. Full Coverage, GRADED A+. VERIFIED. Fallacy - -is an error in reasoning ad hominem - -Dismissing an argument by attacking the person who offers it rather than by refuting its reasoning. Appeal to Authority - -To justify support for a position by citing an esteemed or well-known figure who supports it. The figure does not address the merit of the position. appeal to experience - -Claiming to speak with the "voice of experience" in support of an argument ...

WGU c168 question set 1, Exam Questions and answers, rated A+. VERIFIED. Which of the following problems is a question of judgment that requires critical thinking? - -What is the most effective and safest way to design a roadway system to achieve efficiency? The federal government is considering setting aside land for a new national monument. An employee in the governor's office of the state where the monument may be designated is asked to research the possible economic impact of th...