NCTI Field Tech 3 to 4 Exam Questions
and Answers15
The Mac OS X/macOS kernel includes which elements? - ANSWERS-A Mach kernel, XNU kernel,
and various Berkeley Software Distribution (BSD) system calls.
What are some common applications included with Mac OS X/macOS in an Apple computer? -
ANSWERS-iMovie, iTunes and GarageBand.
What applications are available in Apple iWork? - ANSWERS-Pages, a word processing
application; Numbers, a spreadsheet application; and Keynote, a presentation application.
What server management services are installed on an Apple Mac OS XmacOS server? -
ANSWERS-Simple network management protocol version 3 (SNMPv3), Secure Shell access, and
server monitor.
What service on an Apple Mac OS X/macOS server enables multiple computers to work
together on a single task? - ANSWERS-Distributed computing with Xgrid.
What authentication and directory services does an Apple Mac OS X/macOS server employ? -
ANSWERS-Kerberos, Active Directory (AD) connector, and RADIUS.
What services are typically included in Apple's Mac OS X/macOS server? - ANSWERS-Services a
company would need to operate a business.
What network and virtual private network (VPN) services does an Apple Mac OS X/macOS
server employ? - ANSWERS-Domain name system (DNS), dynamic host configuration protocol
(DHCP), network address translation (NAT), firewalling, and network time protocol (NTP).
, What Open Source mail filter does an Apple Mac OS X/macOS server use for junk mail filtering?
- ANSWERS-SpamAssassin.
The Open Systems Interconnection reference model (OSI/RM) Network Layer serves which
primary purpose? - ANSWERS-It uses Layer 3 addresses to create multiple routed networks.
The address 68.56.189.17 belongs to which Internet protocol (IP) class? - ANSWERS-Class A
What happens to a datagram sent by a higher level protocol to a 127.x.y.z address? - ANSWERS-
The datagram loops back inside the host and never leaves the network interface card (NIC).
Which device evaluates and acts upon a packet's Internet protocol (IP) address? - ANSWERS-
Router.
The Network Layer must do what to a received frame first, in order to determine the route over
which it will forward the datagram to the next network? - ANSWERS-Decapsulate the packet.
What network information can be determined from a logical Internet protocol (IP) address? -
ANSWERS-The host portion and network portion.
The physical address of a device is processed by which layer of the Open Systems
Interconnection reference model (OSI/RM)? - ANSWERS-The Data Link Layer.
Which layer of the Open Systems Interconnection reference model (OSI/RM) would you suspect
as being the problem when packets are arriving at the server but no information is being
returned to the client? - ANSWERS-The Transport Layer.
and Answers15
The Mac OS X/macOS kernel includes which elements? - ANSWERS-A Mach kernel, XNU kernel,
and various Berkeley Software Distribution (BSD) system calls.
What are some common applications included with Mac OS X/macOS in an Apple computer? -
ANSWERS-iMovie, iTunes and GarageBand.
What applications are available in Apple iWork? - ANSWERS-Pages, a word processing
application; Numbers, a spreadsheet application; and Keynote, a presentation application.
What server management services are installed on an Apple Mac OS XmacOS server? -
ANSWERS-Simple network management protocol version 3 (SNMPv3), Secure Shell access, and
server monitor.
What service on an Apple Mac OS X/macOS server enables multiple computers to work
together on a single task? - ANSWERS-Distributed computing with Xgrid.
What authentication and directory services does an Apple Mac OS X/macOS server employ? -
ANSWERS-Kerberos, Active Directory (AD) connector, and RADIUS.
What services are typically included in Apple's Mac OS X/macOS server? - ANSWERS-Services a
company would need to operate a business.
What network and virtual private network (VPN) services does an Apple Mac OS X/macOS
server employ? - ANSWERS-Domain name system (DNS), dynamic host configuration protocol
(DHCP), network address translation (NAT), firewalling, and network time protocol (NTP).
, What Open Source mail filter does an Apple Mac OS X/macOS server use for junk mail filtering?
- ANSWERS-SpamAssassin.
The Open Systems Interconnection reference model (OSI/RM) Network Layer serves which
primary purpose? - ANSWERS-It uses Layer 3 addresses to create multiple routed networks.
The address 68.56.189.17 belongs to which Internet protocol (IP) class? - ANSWERS-Class A
What happens to a datagram sent by a higher level protocol to a 127.x.y.z address? - ANSWERS-
The datagram loops back inside the host and never leaves the network interface card (NIC).
Which device evaluates and acts upon a packet's Internet protocol (IP) address? - ANSWERS-
Router.
The Network Layer must do what to a received frame first, in order to determine the route over
which it will forward the datagram to the next network? - ANSWERS-Decapsulate the packet.
What network information can be determined from a logical Internet protocol (IP) address? -
ANSWERS-The host portion and network portion.
The physical address of a device is processed by which layer of the Open Systems
Interconnection reference model (OSI/RM)? - ANSWERS-The Data Link Layer.
Which layer of the Open Systems Interconnection reference model (OSI/RM) would you suspect
as being the problem when packets are arriving at the server but no information is being
returned to the client? - ANSWERS-The Transport Layer.
