CIS 246 Connectivity with Lab

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CIS 246 Connectivity with Lab Course
(TCO 3) A patch cable in which the termination locations of the transmit and receive…

 

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CIS 246 Connectivity with Lab

CIS 246 Connectivity with Lab

A+ Quiz Week 1-7| Discussions Week 1-7

Quiz Week 1-7 

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Week 1 Connectivity with Lab 

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(TCO 1) Which statement describes an advantage of networks?

Networks require decentralized management

Isolating network devices decreases costs

Isolating network devices allows implementation of the sneakernet file sharing method

Networks enable multiple users to share devices

(TCO 1) A(n) _____ is a network of computers and other devices that is confined to a relatively small space, such as one building or even one office

LAN

WAN

MAN

NOS

(TCO 1) Which of the following enables resource sharing by other computers on the same network?

Segment

Node

Host

Backbone

(TCO 1) _____ are standard methods or formats for communication between networked devices

Topologies

Data packets

Hosts

Protocols

(TCO 1) A(n) _____ is a computer installed with the appropriate software to supply web pages to many different clients upon demand

Web server

Node

WAN

LAN

(TCO 2) _____ is an organization composed of more than a thousand representatives from industry and government who together determine standards for the electronics industry and other fields, such as chemical and nuclear engineering, health and safety, and construction

ISO

ISOC

ANSI

ICANN

(TCO 2) _____ is a technical advisory group of researchers and technical professionals interested in overseeing the Internet’s design and management

ITU

IAB

MTU

LLC

(TCO 2) The top, or seventh, layer of the OSI model is the _____ layer

Application

Session

Transport

Network

(TCO 2) Protocols at the _____ layer accept application layer data and format them so that one type of application and host can understand data from another type of application and host

Data link

Physical

Presentation

Network

(TCO 2) The _____ layer is the lowest, or first, layer of the OSI model

Physical

Application

Transport

Data link

CIS 246 Connectivity Lab

Quiz Week 2 

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(TCO 3) A signal’s _____ is the amount of signal strength loss as it moves down a wire or fiber strand

Voltage

Amplitude

Attenuation

Baseband

(TCO 3) A patch cable in which the termination locations of the transmit and receive wires on one end of the cable are reversed is known as a(n) _____.

media converter

multimode fiber

conduit

crossover cable

(TCO 3) One of the most common transmission flaws affecting UTP data signals is _____.

Noise

Attenuation

Throughput

Latency

(TCO 3) _____ signals are composed of pulses of non-visible light

Analog

Digital

Narrowband

Optical

(TCO 3) The motherboard contains _____, or openings with multiple electrical contacts, that allow devices such as NICs, modems, or sound cards to connect to the computer’s expanded bus

Connector pins

PCles

Expansion slots

Transceiver placement slots

(TCO 4) _____ are devices that connect two network segments by analyzing incoming frames and making decisions about where to direct them based on each frame’s MAC address

Multistation access units

PC cards

Hubs

Bridges

(TCO 4) To determine the path to a network address, routers use the _____.

Interrupt

Gateway

Jumper

Routing table

(TCO 4) _____ are combinations of networking hardware and software that connect two kinds of networks

Gateways

Swithces

Hubs

Ports

(TCO 4) The loss of a signal’s strength as it travels away from its source is known as _____.

Impedance

Attenuation

Regeneration

Diffraction

(TCO 4) A complex combination of pure topologies is known as a _____ topology

Mixed

Hybrid

Compound

Multpart

CIS 246 Connectivity Lab

Quiz Week 3 

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(TCO 7) _____ provides information about where data should be delivered, including the data’s source and destination addresses

TCP

SPX

NTP

IP

(TCO 7) _____ is an application layer protocol used to retrieve messages from a mail server

POP3

MIME

NAT

ICS

(TCO 7) _____ is a mail retrieval protocol that was developed as a more sophisticated alternative to POP3

SMTP

MIME
ICS

IMSP4

(TCO 8) _____ is a network layer protocol that reports on the success or failure of data delivery

RCP

IGMP

ICMP

FTP

(TCO 8) _____ is a network layer protocol that obtains the MAC (physical) address of a host, or node, and then creates a database that maps the MAC address to the host’s IP (logical) address

ICMP

ARP

FTP

TCP

(TCO 8) _____ is an automated means of assigning a unique IP address to every device on a network

ICMP

DHCP

IGMP

FTP

(TCO 8) _____ is a utility that can verify that TCP/IP is installed, bound to the NIC, configured correctly, and communicating with the network

RARP

UDP

PING

FTP

(TCO 8) In classful addressing, the Class B IPv4 address network ID is located in the _____.

Last 8 bits

Last 16 bits

First 8 bits

First 16 bits

(TCO 8) Filesharing in a Windows domain is known as _____.

DFS

FTP

TFTP

Map Drive

(TCO 8) A command-line utility that provides information about a network adapter’s IP address, subnet mask, and default gateway is _____.

Winipcfg

Ipconfig

Dig

Ifconfig

CIS 246 Connectivity Lab

Quiz Week 4 

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(TCO 9) The term _____ memory refers to the RAM chips that are installed on the computer’s system board and whose sole function is to provide memory to that machine.

Virtual

Logical

Physical

Hierarchical

(TCO 9) Sun Microsystems’ _____ is a popular remote file system type supported by UNIX and Linux.

UFS

NTFS

Ext3

NFS

(TCO 10) The printer queue is a _____ representation of the printer’s input and output.

Virtual

Logical

Physical

Hierarchical

(TCO 9) Every UNIX and Linux system contains full documentation of UNIX commands in the _____ pages.

Doc

Library

Man

Command

(TCO 10) A _____ is a group of users, servers, and other resources that share a centralized database of account and security information.

Domain

Forest

Namespace

Leaf object

(TCO 10) The primary function of the UNIX _____ is to coordinate access to all your computer’s hardware, such as the disks, memory, keyboard, and monitor.

Kernel

Root

Directory system

Pipe system

(TCO 9) In LDAP-compatible directories, a _____ is the set of definitions of the kinds of objects and object-related information that the database can contain.

Domain

Namespace

Schema

Partition

(TCO 9) _____ is stored on the hard disk as a page file, the use of which is managed by the operating system.

Virtual memory

Middleware

Namespace

Physical memory

(TCO 9) The _____ account is a predefined user account that has the most extensive privileges for resources both on the computer and on the domain that it controls (if it is a domain controller).

Guest

Local

Administrator

Domain

(TCO 10) The relationship between two domains in which one domain allows another domain to authenticate its users is known as _____.

An object relationship

Time sharing

A file relationship

A trust relationship

CIS 246 Connectivity Lab

Quiz Week 5 

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(TCO 11) The most popular WLAN standard is _____.

802.11ac

802.11b

802.11g

802.11n

(TCO 11) In _____, a wireless signal splits into secondary waves when it encounters an obstruction.

Reflection

Scattering

Diffraction

Bounce back

(TCO 11) The purpose of a _____ is to advertise the presence of a WiFi network.

Beacon

Channel

Transponder

Probe

(TCP 11) The command-line function _____ is for viewing and setting wireless interface parameters and is common to nearly all versions of Linux and UNIX.

Ipconfig

Iwconfig

Iconfig

Ivconfig

(TCO 11) If intermittent and difficult-to-diagnose wireless communication errors occur, _____ might be the culprit.

Incorrect encryption

SSID mismatch

Interference

Incorrect antenna placement

(TCO 12) When a caller uses an IP telephone, his or her voice is immediately digitized and issued from the telephone to the network in _____ form.

Segment

Analog

Circuit

Packet

(TCO 12) A(n) _____ messaging strategy that makes several forms of communication available from a single user interface.

Unified

Instant

Diversified

Open

(TCO 12) _____ is the use of one network to simultaneously carry voice, video, and data communications.

Multicasting

Unicasting

Divergence

Convergence

(TCO 12) SIP and H.323 regulate _____ for VoIP or video-over-IP clients and servers.

Call signaling only

Control only

Call signaling and control

Communication between media gateways

(TCO 12) Skype, the popular Internet telephony software, is a type of _____.

IP telephone

Softphone

Teleapplication

compu-phone

CIS 246 Connectivity Lab

Quiz Week 6 

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(TCO 6) A _____ attack occurs when a hacker tries numerous possible character combinations to find the key that will decrypt encrypted data.

Flashing

Denial-of-service

Dictionary

Brute force

(TCO 6) An NOS that contains a “back door” is an example of a risk associated with _____.

People

Transmission and hardware

Protocols and software

Internet access

(TCO 6) The use of certificate authorities to associate public keys with certain users is known as _____.

PGP

PKI

IPSec

SSL

(TCO 6) A _____ attack occurs when a system becomes unable to function because it has been deluged with data transmissions or otherwise disrupted.

Flashing

denial-of-service

war driving

phishing

(TCO 6) RADIUS and TACACS belong to a category of protocols known as _____ (AAA).

access, authorization, and accounting

authentication, authorization, and accounting

authentication, authorization, and authority

authentication, authorization, and access

(TCO 6) _____ is intended to eliminate single points of failure.

Availability

Redundancy

Contingency

Integrity

(TCO 6) _____ is where one server continually duplicates the transactions and data storage of another.

RAID

Server mirroring

Clustering

NAS

(TCO 6) _____ detects malware by comparing current characteristics of files and disks against an archived version of these characteristics to discover any changes.

Integrity checking

Polymorphic scanning

Signature scanning

Heuristic scanning

(TCO 6) A _____ attack occurs when a hacker uses programs that try a combination of a user ID and every word in a dictionary to gain access to the network.

Brute force

Dictionary

Filtered

Flashing

(TCO 6) _____ is a specialized storage device or group of storage devices that provides centralized fault-tolerant data storage for a network.

NAS

RAID

SANs

Optical media

CIS 246 Connectivity Lab

Quiz Week 7 

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(TCO 5) The individual geographic locations connected by a WAN are known as _____.

WAN sites

WAN links

Network service providers

Central offices

(TCO 5)  _____ is when computing resources are available and charged to the customer on an as needed basis.

laaS

PaaS

SaaS

VPN

(TCO 5) _____ is an updated, digital version of X.25 that also relies on packet switching.

DSL

ISDN

Frame Relay

ATM

(TCO 5) The speed of a T-carrier depends on its _____

Signal capacity

Data rate

Channel

Traffic

(TCO 5) A WAN point-to-point technology is _____

ISDN

Broadband cable

DSL

Ethernet

(TCO 5) A SONET ring could use the _____ data standard.

OC-1

T1

DS-3

E3

(TCO 13) _____ is the preferred communications protocol for connecting to remote access servers.

SLIP

IP

PPP

TCP/IP

(TCO 13) In a _____ VPN, tunnels connect multiple sites on a WAN.

site-to-site

site-to-client

client-to-client

link-to-line

(TCO 5) Delivering hosted services over the Internet is known as _____.

On-demand hosting

Remote hosting

Cloud computing

Provider manager services

(TCO 5) _____ is responsible for IP addressing and domain name management.

IANA

ICANN

ITU

ISO

CIS 246 Connectivity Lab

Discussions Week 1-7 All Students Posts 364 Pages 

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Networking in Society and Peer-to-Peer and Client-Server Environments Discussions Week 1 All Students Posts 56 Pages 

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Networking in Society – 30 Pages 

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Explain ways that networking has changed society in the past 10 years. Do you feel that computer networking has impacted your life? Please explain.  Identify some pros and cons to the virtual classroom environment as compared to the traditional face-to-face classroom environment?…

Peer-to-Peer and Client-Server Environments – 26 Pages 

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What kind of network does your current or former workplace have: peer to peer or client-server? What problems does it have? What are some ideas to improve it? If you don’t know which, explain what you think would have worked best and describe the circumstances…

Transmission Basics and Networking Hardware and Topologies Discussions Week 2 All Students Posts 51 Pages 

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Transmission Basics – 28 Pages

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The lecture covers several standards. Which ones are most common? Which ones are more or less obsolete? What can you find out about the future of transmission and media types? What is happening with 10 Gbps? What about 100 Gbps?  What environmental factors would you commonly take into account when choosing which media to implement in a given situation?…

Networking Hardware and Topologies – 23 Pages 

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Let’s figure out what kind of networking equipment an organization would need to buy. You can make assumptions on size and budget. What do we need to purchase? Why do we need to purchase it? That is, what will it do for us? How do we hook them together? That is, how do we cable them (or not cable them) together? Why is there such a big difference in price with the brands? How do network topologies figure into our selections and designs?  Hubs were used frequently in the 1980s. Why don’t we incorporate hubs into our networks as much anymore? Can you name some additional network devices or cabling that have become obsolete? Why is that the case?…

TCP/IP and Network Servers Discussions Week 3 All Students Posts 54 Pages 

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TCP/IP – 30 Pages 

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There is an alphabet soup of protocols in TCP/IP: HTTP, FTP, SMTP, POP3, TCP, UDP, IP, ARP, ICMP, and others. What are the characteristics of these protocols? What are they used for? Has there been an evolution in any of these protocols? Are there any weaknesses or disadvantages? What exactly is TCP/IP, and what are the four layers that TCP/IP can be broken down into?…

Network Servers – 24 Pages

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Search the Internet for Windows servers by Dell, IBM, HP, and others. What are the features and prices? Which ones do you think would be appropriate for the various Windows Server 2008 editions? It is okay not to understand all of the specifications. When you find something you don’t know, ask the class.  Server virtualization is the way forward for many organizations today. What is server virtualization all about? Why is it beneficial? When would it not be useful?…

Understanding and Applying Active Directory and Linux Versus Windows Administration Discussions Week 4 All Students Posts 52 Pages 

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Understanding and Applying Active Directory – 24 Pages 

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Active Directory (AD) is arguably the most critical component of Windows Server 2008, certainly for larger organizations. It enables corporations to manage and secure their resources from a single directory service and with a common interface—a very powerful tool. Because it is so powerful and offers so many features and capabilities, it sometimes can be complex to those looking at it for the first time. This week, we are going to learn about AD in detail, starting with the fundamentals. As we progress during the week, you will begin to see it’s not that intimidating after all. First, though, let’s get the fundamentals down. What exactly is a directory service and what are some examples in industry? Next, let’s get the definition of Active Directory down—what exactly is it and what benefits does it provide? After this, we’ll look at the details on how it is implemented in the business environment….

Linux Versus Windows Administration – 28 Pages 

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In what ways do you think administering Linux is better than Windows? In what ways is Windows better than Linux? This can be with regard to having to manage a single server or multiple servers.  Do Linux administrators make more money than those with only Windows experience?…

Wireless Networks and VoIP Discussions Week 5 All Students Posts 52 Pages 

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Wireless Networks – 27 Pages 

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Today, wireless transmission media are commonplace in business as well as residential applications, and their application is growing. This week, we will learn about wireless technology by starting with the fundamentals. How are wireless signals carried? What are the obstacles to successful transmissions and their repercussions? What standards govern wireless transmissions? How do we secure our wireless networks?…

VoIP – 25 Pages 

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Traditionally, packet-switched networks carried primarily data and the public switched telephone network (PSTN) carried telephone calls and fax transmissions. Convergence is the use of one network to carry data, voice, and video communications simultaneously. Let’s begin this discussion by identifying and discussing key terms such as IP telephony or VoIP, VoATM, VoDSL, Internet telephony, FoIP, and video over IP….

Network Security and Network Integrity and Availability Discussions Week 6 All Students Posts 52 Pages 

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Network Security – 27 Pages 

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In this topic please discuss security measures you see in everyday life that you could adopt in a network environment. You can also include security implementations of places you have worked.  How does physical security contribute to network security?…

 Network Integrity and Availability – 25 Pages 

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In this topic, we will discuss measures that can be taken to ensure that a network’s programs, data, services, devices, and connections are sound and protected from anything that might render them unusable. What situations can compromise integrity and availability and what, specifically, can we do to protect our networks?  What is fault tolerance, and what network aspects must be monitored and managed to ensure fault tolerance?…

Using a WAN and Linux and Windows Integration Discussions Week 7 All Students Posts 47 Pages 

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Using a WAN – 24 Pages 

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Find WAN organizations (ISPs) that will connect you to the Internet or connect your offices. What services do they offer? What costs are involved?  Explain and compare X.25 and its updated, digital version which is Frame Relay….

Linux and Windows Integration – 23 Pages 

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What are some ways you could integrate Linux servers into a Windows network to share information? What would be the advantages and disadvantages? Feel free to get into the details of Samba, which is covered in the lab. Are there any other products out there? You can get creative on this one. You could also offer scenarios for FTP, Web, or even Telnet. Samba is a great product. However, what other ways can we communicate? Linux servers can be very cheap to set up. What things would we need Linux to store cheaply, and how would we get the information when we need it?…

CIS 246 Connectivity Lab

DeVry