Manage Network Services

Question 1

What’s the relationship between clients, servers, and network service access?

Answer 1

Client software accesses network services that server software provides. The slicing and server software use network protocols and standards to communicate with each other.

Question 2

What do you need to access a network service?

Answer 2

The service’s local network or internet location

Question 3

What is authentication?

Answer 3

Security technologies in place to ensure that you’re allowed to access only certain resources

Question 4

What does dynamic network service discovery protocols enable you to do?

Answer 4

Browse LANs and WANs resources without knowing specific server addresses.

Question 5

What are two examples of how macOS uses dynamic network service discovery?

Answer 5

1. Browse for available network file shares with the Finder

2. Locate new network printers from Printers and Scanners preferences

Question 6

What is Zero Configuration Networking, or Zeroconf?

Answer 6

A collection of standards drafts that provide automatic local network configuration, naming, and service discovery.

Question 7

What broadcast discovery protocol does Bonjour use?

Answer 7

Multicast DNS (mDNS) on UDP port 5353

Question 8

What is Bonjour?

Answer 8

The Apple implementation of Zeroconf, that is the primary set of dynamic network service discovery protocols used by macOS-native services and apps.

Question 9

Why does Bonjour integrate so well with other TCP/IP-based network services?

Answer 9

Because Bonjour is based on TCP/IP standards

Question 10

What is Server Message Block (SMB)?

Answer 10

The most common network service for sharing files and printers

Question 11

What are the 5 network host identification methods?

Answer 11

1. IP address
2. DNS Hostname
3. Computer name
4. Bonjour name
5. NetBIOS name

Question 12

What are the two methods your Mac configures its hostname?

Answer 12

1. macOS attempts to resolve its hostname by performing a DNS reverse lookup on its primary IP address.
2. If it can’t, it uses the Bonjour name instead

Question 13

What is the NetBIOS name?

Answer 13

The legacy Windows dynamic network discovery protocol as part of the SMB service.

Question 14

What’s the relationship between a network service and a network port?

Answer 14

Network services are established using a common network protocol. The protocol specifies which TCP or User Datagram Protocol (UDP) port to use for communications.

Question 15

What handles web communication for Safari by using TCP port 80?

Answer 15

Hypertext Transfer Protocol (HTTP)

Question 16

What’s the primary interface for configuring network service apps, such as Mail, Calendars, Notes, Reminders, Contacts, and Messages

Answer 16

Internet Accounts preferences

Question 17

What are the 5 network service accounts you can configure in macOS

Answer 17

1. Apple iCloud
2. Microsoft Exchange
3. Google
4. Yahoo
5. AOL

Question 18

What are the three types of email services that Mail supports?

Answer 18

1. Standard mailbox access protocols (Post Office Protocol/POP or Internet Message Access Protocol/IMAP)
2. Standard mail-sending protocols ( Simple Mail Transfer Protocol/SMTP)
3. Exchange-based mail service (Exchange Web Services/EWS)

Question 19

What are the 5 network calendar services that macOS supports?

Answer 19

1. CalDAV collaborative calendaring
2. Internet-based calendar services
3. Exchange-based calendaring service
4. Calendar web publishing and subscriptions
5. Calendar email invitation

Question 20

What are the four network contact services that macOS supports?

Answer 20

1. CardDAV
2. Internet-based contact services
3. Exchange-based contact services
4. Directory service contacts

Question 21

True/False: The Apple ID you sign into on Messages, has to match the Apple ID you sign into iCloud with.

Answer 21

False, they do not have to match. As long as you sign into Messages with a valid Apple ID, the messages app will work. However, for syncing purposes, it is recommended that you sign into iCloud and Messages with the same Apple ID

Question 22

How can users join a FaceTime call without an Apple ID in macOS Monterey?

Answer 22

They will join in a browser.

Question 23

How are items inside the Finder Network folder populated?

Answer 23

By using information that the dynamic network service discovery protocols provide. Computers that provide services appear as resources inside the Network folder, and service discovery zones or workgroups appear as folders.

Question 24

What are the 5 network file service protocols that macOS provides built in support?

Answer 24

1. Server Message Block version 3 (SMB 3)
2. Apple Filing Protocol (AFP)
3. Network File System (NFS)
4. Web-based Distributed Authoring and Versioning (WebDAV)
5. File Transfer Protocol (FTP)

Question 25

What are the two ways to get to the Network folder?

Answer 25

1. Click "Network" in the Finder sidebar | 2. Choose Go > Network (or press Shift-Command-K)

Question 26

What are the three methods your Mac uses to AUTOMATICALLY authenticate when you attempt to connect to a Mac that provides file-sharing services?

Answer 26

1. Kerberos credentials (If using Kerberos single sign-on) 2. If you've connected before, your Mac attempts to used the saved authentication information 3. Your Mac attempts to authenticate as a guest user

Question 27

What are the three methods your Mac uses to MANUALLY authenticate when you attempt to connect to a Mac that provides file-sharing services?

Answer 27

1. Authenticate as a Guest to connect anonymously to the file service 2. Select "Registered User" to authenticate using a local or network account known by the computer providing the shared items 3. Using an Apple ID, if it appears as an option

Question 28

How do you connect manually to an SMB or AFP?

Answer 28

1. Choose Go > Connect to Server (Command-K) | 2. Type in either smb:// or afp:// followed by the server IP address, DNS hostname, computer name, or Bonjour name.

Question 29

How can you make Mounted servers appear on the Desktop?

Answer 29

Finder Preferences > General > Check box for Connect servers

Question 30

How can you automatically connect to File Shares?

Answer 30

1. Add the File Share to your Login Items in the Users and Groups preferences pane of System Preferences 2. Create a shortcut by dragging the network share to the right side of the Dock

Question 31

What website can you check real-time Apple service statuses?

Answer 31

www.apple.com/support/systemstatus

Question 32

What does a port scan do?

Answer 32

Gives you an idea about which ports are open and available to provide network services.

Question 33

What is the basic first step to troubleshoot a network service?

Answer 33

"ping" 1. Open Terminal 2. Enter "ping", then press the Space bar 3. Enter the device network address or hostname 4. Press Return If successful, press Control-C or Command-Period to stop the ping command

Question 34

What three things do you need to check to verify that a specific network service is available from a service provider?

Answer 34

1. Verify basic connectivity (ping terminal command) 2. Verify DNS resolution (nslookup, dig, host, or dscacheutil terminal commands) 3. Verify that the specific service ports are open (nc terminal command)

Question 35

How can you troubleshoot web browser issues?

Answer 35

1. Adjust how browser works with certain websites. For example, Safari > Preferences > Websites can customer how Safari acts with various websites 2. Install Safari extensions to customize the way your browser works 3. "Show Develop menu in menu bar" setting from Advanced preferences in Safari

Question 36

What tool is built into Mail to help troubleshoot Mail issues?

Answer 36

Mail Connection Doctor.

Question 37

What does Mail Connection Doctor do?

Answer 37

Attempts to establish a connection with configured incoming and outgoing mail servers.