COMPTIA NETWORK+ (N10-009) EXAM 2026
FINAL PRACTICE PAPER QUESTIONS AND
ANSWERS
◉ Network Attached Storage (NAS) Answer: - Connect to a shared
storage device across the network
- File-level access (entire file is pulled into the system and when
writing into that file, it needs to be completely written back, which is
less efficient)
◉ Storage Area Network (SAN) Answer: - Looks and feels like a local
storage drive
* Block-level access
- More efficient than a NAS
- Very efficient at reading and writing
- Requires a lot of bandwidth due to a lot of fire transfers
* May use an isolated network and high-speed network technologies
◉ Block-level access Answer: a method of data storage where
information is accessed and managed in discrete units called
"blocks," allowing applications to read and write data directly to
specific parts of a storage volume
,◉ Access point (AP) Answer: - Allows us to communicate wirelessly
from our device to the rest of the network (not a wireless router,
extends the network)
- OSI layer 2 device
- You probably have many access points, one or more at every
remote site
◉ Wireless LAN controllers Answer: - Centralized management of
access points, a single "pane of glass"
- Can deploy new access points with a full configuration
- Performance and security monitoring
- Configure and deploy changes to all sites
- Report on access point use
- Usually a proprietary system, the wireless controller is paired with
the APs
* The manufacturer of both devices will typically be used
◉ Content Delivery Network (CDN) Answer: - Geographically
distributed caching servers (for faster data transfer)
* Duplicate the data
* Users get the data from a local server
,◉ Virtual Private Network (VPN) Answer: Secure private data
traversing a public network, encrypted communication on an
insecure medium
◉ VPN concentrator / head-end Answer: An access device that
offers high-speed encryption/decryption, often integrated into a
firewall
◉ Quality of Service (QoS) Answer: - also called traffic shaping or
packet shaping
- allows administrators to control applications by bandwidth or data
rates
- set important apps to have higher priority than others
- Manage the QoS
* Routers, switches, firewalls, QoS devices
◉ Time to Live (TTL) Answer: - Since systems/protocols are not self-
regulating, we add a TTL that tells a system when to stop doing an
action
- Many different uses
* Drop a packet caught in a loop
* Clear a cache
, ◉ How is TTL utilized in IP versus DNS? Answer: TTL in IP is
measured in hops (how many routers the packet goes through)
while DNS is measured by seconds
◉ How do you stop routing loops? Answer: - Time to Live (TTL)
- Make sure routers have a clear path to destination (common
mistake, especially with static routing)
◉ IP (Internet Protocol) Answer: Routing protocol that is in charge
of forwarding packets on the Internet.
◉ DNS (Domain Name System) Answer: Resolve an IP address from
a fully-qualified domain name (FQDN)
◉ FQDN (Fully Qualified Domain Name) Answer: The host name
combined with the host's domain name.
◉ FQDN Syntax Answer: in the address www.shop.example.com the
".com" is the top-level domain, "example" is the second-level domain
name, "shop" is the subdomain, and the "www" is the hostname.
◉ DNS TTL Answer: A device caches the lookup for TTL seconds
long
FINAL PRACTICE PAPER QUESTIONS AND
ANSWERS
◉ Network Attached Storage (NAS) Answer: - Connect to a shared
storage device across the network
- File-level access (entire file is pulled into the system and when
writing into that file, it needs to be completely written back, which is
less efficient)
◉ Storage Area Network (SAN) Answer: - Looks and feels like a local
storage drive
* Block-level access
- More efficient than a NAS
- Very efficient at reading and writing
- Requires a lot of bandwidth due to a lot of fire transfers
* May use an isolated network and high-speed network technologies
◉ Block-level access Answer: a method of data storage where
information is accessed and managed in discrete units called
"blocks," allowing applications to read and write data directly to
specific parts of a storage volume
,◉ Access point (AP) Answer: - Allows us to communicate wirelessly
from our device to the rest of the network (not a wireless router,
extends the network)
- OSI layer 2 device
- You probably have many access points, one or more at every
remote site
◉ Wireless LAN controllers Answer: - Centralized management of
access points, a single "pane of glass"
- Can deploy new access points with a full configuration
- Performance and security monitoring
- Configure and deploy changes to all sites
- Report on access point use
- Usually a proprietary system, the wireless controller is paired with
the APs
* The manufacturer of both devices will typically be used
◉ Content Delivery Network (CDN) Answer: - Geographically
distributed caching servers (for faster data transfer)
* Duplicate the data
* Users get the data from a local server
,◉ Virtual Private Network (VPN) Answer: Secure private data
traversing a public network, encrypted communication on an
insecure medium
◉ VPN concentrator / head-end Answer: An access device that
offers high-speed encryption/decryption, often integrated into a
firewall
◉ Quality of Service (QoS) Answer: - also called traffic shaping or
packet shaping
- allows administrators to control applications by bandwidth or data
rates
- set important apps to have higher priority than others
- Manage the QoS
* Routers, switches, firewalls, QoS devices
◉ Time to Live (TTL) Answer: - Since systems/protocols are not self-
regulating, we add a TTL that tells a system when to stop doing an
action
- Many different uses
* Drop a packet caught in a loop
* Clear a cache
, ◉ How is TTL utilized in IP versus DNS? Answer: TTL in IP is
measured in hops (how many routers the packet goes through)
while DNS is measured by seconds
◉ How do you stop routing loops? Answer: - Time to Live (TTL)
- Make sure routers have a clear path to destination (common
mistake, especially with static routing)
◉ IP (Internet Protocol) Answer: Routing protocol that is in charge
of forwarding packets on the Internet.
◉ DNS (Domain Name System) Answer: Resolve an IP address from
a fully-qualified domain name (FQDN)
◉ FQDN (Fully Qualified Domain Name) Answer: The host name
combined with the host's domain name.
◉ FQDN Syntax Answer: in the address www.shop.example.com the
".com" is the top-level domain, "example" is the second-level domain
name, "shop" is the subdomain, and the "www" is the hostname.
◉ DNS TTL Answer: A device caches the lookup for TTL seconds
long
