Lesson 6 Flashcards
Select the correct definition for a gateway.
- The switch through which a device can access machines on the same networks.
- The device assigned the first IP address in the range used in the network.
- The remote machine to which a device is connecting over a network
- The router through which a device can access machines on external networks.
The router through which a device can access machines on external networks.
When is address translation needed?
- When the devices in a network are assigned private IP addresses and need to connect to a private network.
- When the devices in a network are assigned public IP addresses and need to connect to a private network.
- When the devices in a network are assigned public IP addresses and need to connect to a public network such as the Internet
- When the devices in a network are assigned private IP addresses and need to connect to a public network such as the Internet
When the devices in a network are assigned private IP addresses and need to connect to a public network such as the Internet
Consider the private IP range 192.168.0.x/24. We divide it into smaller ranges by borrowing 4 bits from the Host part and adding them to the Network portion. Select the combination that correctly lists the number of sub-ranges and the number of hosts in each sub-range.
- Number of sub-ranges: 16 & Number of Hosts in a sub-range: 8
- Number of sub-ranges: 8 & Number of Hosts in a sub-range: 8
- Number of sub-ranges: 16 & Number of Hosts in a sub-range: 16
- Number of sub-ranges: 8 & Number of Hosts in a sub-range: 16
Number of sub-ranges: 16 & Number of Hosts in a sub-range: 16
Which device provides access control functionality between networks?
- A printer
- A router
- A switch
- A Network Interface Card
Router
A client plans to have a network to connect many computers in one room and at the same time allow access to the Internet from these computers. What are the devices that the client is going to need?
- A switch only.
- A gateway only.
- A switch and a router.
- A router only.
A switch and a router.
One of the other protocols that works along with POP is SMTP, which stands for:
- Simple Mail Text Protocol
- Standard Mail Transport Protocol
- Simple Mail Transfer Protocol
- Synchronous Mail Protocol
Simple Mail Transfer Protocol
POP stands for:
- Purchased Object Protocol
- Peer Object Protocol
- Post Office Protocol
- Primary Object Protocol
Post Office Protocol.
POP is within what layer of the OSI Model?
- layer 3
- layer 1
- layer 7
- layer 2
layer 7
In a typical mail operation with POP, a message is pulled down from the remote server and:
- The AOL voice says ‘You’ve got mail!’
- A buzzer is activated in the mail client’s Bluetooth headset
- The message is stored on the recipient’s device and is deleted from the remote server
- A reply is automatically sent the to the sender
The message is stored on the recipient’s device and is deleted from the remote server
The OSI Model is used to:
- rate Internet Service Provides on their service
- boost Internet bandwidth
- measure speed across the Internet
- describe how communications happen across a network
describe how communications happen across a network
Examples of email clients are _____.
- POP3, IMAP and Gmail
- Outlook POP3 Yahoo
- POP3, Yahoo and IMAP
- Yahoo, Gmail, Outlook
Yahoo, Gmail, Outlook
What is SMTP?
- SMTP is a application message transfer protocol
- SMTP is a network protocol used for managing client messages
- SMTP is a network protocol used for the sending and receiving of text-based or email messages
- SMTP is a message queuing system on the internet
SMTP is a network protocol used for the sending and receiving of text-based or email messages
The _____ mail command starts the process of sending sequential lines of texts with the message
550
250
220
354
354
In the SMTP server to server set up, the email clients serve to _____
- authorize SMTP commands
- generate protocol commands to the internet
- authorize SMTP servers
- Receive/Send and queue messages between SMTP servers and clients
Receive/Send and queue messages between SMTP servers and clients
SMTP server A initiates communication with SMTP server B. SMTP server B responds with a _____
- 250 requested mail action
- 202 READY FOR MAIL
- 550 NO such users
- 220 READY FOR MAIL
220 READY FOR MAIL
MIME not only helped move the email standard forward but helped to make a more enjoyable experience as well.
- downloading files
- logging online
- web browsing
- texting
web browsing
_____ was the reason why our emails and our web browsing experiences are more flexible with a wide variety of functions.
- HTML
- Media
- Business
- MIME
MIME
What were emails like before MIME had been introduced to the world of online communications?
- Limited attachments
- Simple
- All of these answers are correct.
- Text-based only
All of these answers are correct.
Apart from allowing a variety of media formats and sending multiple attachments at once, what other primary benefit did MIME bring to the world of email?
- An unlimited number of characters in the body of the message.
- None of these answers are correct.
- Faster text input.
- A spell checker.
An unlimited number of characters in the body of the message
Suppose you are running an email advertising campaign for a new product. What might happen if your email campaign was a long text-based message without any attention-grabbing media?
- The customer might not bother reading the message.
- The customer might lose interest.
- The customer might not share the message with others.
- All of these answers are correct.
All of these answers are correct.
IMAP can allow a user with multiple devices to ____
- access their emails simultaneously from any of the devices.
- access the protocol simultaneously from any of the devices.
- consolidate system updates on all devices.
- synchronize playback of multimedia from all devices.
access their emails simultaneously from any of the devices.
The secure logical connection to which IMAP is bound to connect to the internet is ______
- Logic 993
- Port 993
- Part 143
- Port 143
Port 993
IMAP is the vehicle by which ______.
- compatibility updates are synchronized between Outlook and other email servers.
- client applications are moved, organized and manipulated between the mail server and the mail client application
- synchronization is achieved between email clients and ISPs.
- messages are moved, organized and manipulated between the mail server and the mail client application.
messages are moved, organized and manipulated between the mail server and the mail client application
One of the most common applications of IMAP is:
- Accessing and managing shared and system folders.
- Accessing and managing paired sharing platforms.
- Accessing and managing shared and public folders.
- Enabling data communications over a packet switched network on multiple devices.
Accessing and managing shared and public folders
What is IMAP?
- (IMAP) is a standard internet protocol used for email packets and addressing schemes.
- (IMAP) is a standard logical connection used for the retrieval of email packets between applications.
- (IMAP) is a standard internet protocol used for the retrieval of email messages from an email server.
- (IMAP) is a standard internet protocol used for data packets and addressing schemes for computers to communicate over the internet.
(IMAP) is a standard internet protocol used for the retrieval of email messages from an email server.
In order to check the nodes that are connected to a system, one can use the command
- nslookup
- tracert
- netstat
- ping
netstat
The command tracert is used for which of the following purpose?
- Checking whether the system is connected to a network
- Identifying the route that a packet travels in the network before reaching the destination
- Displaying IP and MAC address of the system
- Checking the IP address of the host server
identifying the route that a packet travels in the network before reaching the destination
Which command is used for identifying the MAC address of a system?
- ipconfig
- getmac
- ping
- ifconfig
getmac
Which command helps to identify whether a given system is connected to a network?
- netstat
- ifconfig
- getmac
- ping
ping
What is the result of entering nslookup command in the command prompt?
- IP address of the host server
- MAC address of the system
- MAC address of the host server
- IP address of the system
IP address of the host server
What is the ‘local factor’ in designing a network?
- The locale where you will land your Network Equipment
- None of the answers are correct
- The need to get to know local individuals to better service your business
- The infrastructure available locally through the local exchange carrier
The infrastructure available locally through the local exchange carrier
What entity is responsible for allowing access to the WAN?
- The ISP
- The consumer
- None of the answers are correct
- The client
The ISP
Redundancy in a network is necessary _____
- To maintain traffic from clients and servers in an even manner.
- To provide measurements of how the network works under load.
- To ensure throughput and connectivity through multiple nodes and pathways.
- To provide considerations for network design and dynamic reassignment of packets.
To ensure throughput and connectivity through multiple nodes and pathways.
How many nodes for a network would a /23 be good for address space in IPv4?
Up to 61556
Up to 256
Up to 1024
Up to 512
up to 512
What is the purpose of load balancing in a network?
- It assures network services by measuring the quality of the transmissions.
- It distributes traffic to allow for a balance in the network keeping services available.
- It increases network processes allowing for a network to grow.
- It eliminates jitter.
It distributes traffic to allow for a balance in the network keeping services available.
When is address translation needed?
- When the devices in a network are assigned private IP addresses and need to connect to a private network.
- When the devices in a network are public IP addresses and need to connect to a private network.
- When the devices in a network are assigned private IP addresses and need to connect to a public such as the internet.
- When the devices in a network are assigned public IP addresses and need to connect to a public network such as the internet.
When the devices in a network are assigned private IP addresses and need to connect to a public such as the internet.
