CCNA EXAM REVIEW | COMPLETE PRACTICE QUESTIONS, ANSWERS & STUDY
GUIDE 2026/2027
Choose the client technique for delivering electric power along with data to endpoint devices.
a) Dynamic Host Configuration Protocol (DHCP)
b) Power over Ethernet (PoE)
c) Quality of Service (QoS)
d) Secure Shell Host (SSH) - ANS ✔✔b) Power over Ethernet (PoE)
Which three types of booting are supported on servers? (Choose three.)
a) booting from internal storage
b) booting from LAN
c) booting from SAN
d) booting from WAN
e) booting from wireless - ANS ✔✔a) Booting from internal storage
b) Booting from LAN (Local Area Network)
c) Booting from SAN (Storage Area Network)
To which Open Systems Interconnection (OSI) layer are router-specific functions mapped?
a) Layer 1
b) Layer 2
c) Layer 3
d) Layer 4 - ANS ✔✔c) Layer 3
In Cisco routing implementations, what is the role of the administrative distance?
a) It identifies how much time has passed since the route was learned.
b) It identifies how the route was learned.
c) It identifies the measure used to calculate the best path.
d) It identifies the trustworthiness of the route source. - ANS ✔✔d) It identifies the trustworthiness of
the route source.
Which network capability ensures that an endpoint, such as an IP phone, connects to the company
network in a secure and automatic way?
a) 802.1x
b) ACL
c) DHCP
d) VLAN - ANS ✔✔a) 802.1x
In a wireless IEEE 802.11 implementation, what is the most secure option to protect user traffic?
a) WEP
b) WPA
c) WPA2
d) WPA3 - ANS ✔✔d) WPA 3
Which three are the most reliable network practices used in Networking? (Choose three.)
, a) automated systems testing
b) copying and pasting configuration from a text editor to a device
c) manual system testing
d) using programmability tools to automate network configuration
e) using version controls for all configuration changes - ANS ✔✔a) automated systems testing
d) using programmability tools to automate network configuration
e) using version controls for all configuration changes
Which three elements are parts of an HTTP status line? (Choose three.)
a) protocol version
b) requested method
c) status code
d) status message
e) target URL - ANS ✔✔a) protocol version
c) status code
d) status message
Which two statements about the Dynamic Multipoint Virtual Private Network (DMVPN) are true?
(Choose two.)
a) DMVPN creates hub-to-spoke tunnels.
b) DMVPN creates spoke-to-spoke tunnels.
c) DMVPN is used for connection between an enterprise and a provider.
d) DMVPN is used for connection between enterprises.
e) DMVPN is used within a branch network. - ANS ✔✔a) DMVPN creates hub-to-spoke tunnels.
b) DMVPN creates spoke-to-spoke tunnels.
You have set up a small office/home office (SOHO) to work from home. You are using broadband internet
with a remote-access Virtual Private Network (VPN) to connect to your company resources. Which
statement correctly describes this deployment mode?
a) A VPN-capable router is required for the SOHO network.
b) You can use the web browser to establish a VPN tunnel.
c) A permanent VPN connection is required.
d) VPN tunneling is performed by the internet service provider (ISP). - ANS ✔✔b) You can use the web
browser to establish a VPN tunnel.
Which two types of cables can be used to connect to the console port of a Cisco router? (Choose two.)
a) crossover
b) rollover
c) serial
d) straight-through
e) USB - ANS ✔✔b) rollover
e) USB
Which type of cable is typically used to connect a core switch with a data center switch, where
bandwidth higher than 40 Gbps and low cost are required?
a) Category 5e UTP
b) Category 6 UTP
c) multimode fiber
GUIDE 2026/2027
Choose the client technique for delivering electric power along with data to endpoint devices.
a) Dynamic Host Configuration Protocol (DHCP)
b) Power over Ethernet (PoE)
c) Quality of Service (QoS)
d) Secure Shell Host (SSH) - ANS ✔✔b) Power over Ethernet (PoE)
Which three types of booting are supported on servers? (Choose three.)
a) booting from internal storage
b) booting from LAN
c) booting from SAN
d) booting from WAN
e) booting from wireless - ANS ✔✔a) Booting from internal storage
b) Booting from LAN (Local Area Network)
c) Booting from SAN (Storage Area Network)
To which Open Systems Interconnection (OSI) layer are router-specific functions mapped?
a) Layer 1
b) Layer 2
c) Layer 3
d) Layer 4 - ANS ✔✔c) Layer 3
In Cisco routing implementations, what is the role of the administrative distance?
a) It identifies how much time has passed since the route was learned.
b) It identifies how the route was learned.
c) It identifies the measure used to calculate the best path.
d) It identifies the trustworthiness of the route source. - ANS ✔✔d) It identifies the trustworthiness of
the route source.
Which network capability ensures that an endpoint, such as an IP phone, connects to the company
network in a secure and automatic way?
a) 802.1x
b) ACL
c) DHCP
d) VLAN - ANS ✔✔a) 802.1x
In a wireless IEEE 802.11 implementation, what is the most secure option to protect user traffic?
a) WEP
b) WPA
c) WPA2
d) WPA3 - ANS ✔✔d) WPA 3
Which three are the most reliable network practices used in Networking? (Choose three.)
, a) automated systems testing
b) copying and pasting configuration from a text editor to a device
c) manual system testing
d) using programmability tools to automate network configuration
e) using version controls for all configuration changes - ANS ✔✔a) automated systems testing
d) using programmability tools to automate network configuration
e) using version controls for all configuration changes
Which three elements are parts of an HTTP status line? (Choose three.)
a) protocol version
b) requested method
c) status code
d) status message
e) target URL - ANS ✔✔a) protocol version
c) status code
d) status message
Which two statements about the Dynamic Multipoint Virtual Private Network (DMVPN) are true?
(Choose two.)
a) DMVPN creates hub-to-spoke tunnels.
b) DMVPN creates spoke-to-spoke tunnels.
c) DMVPN is used for connection between an enterprise and a provider.
d) DMVPN is used for connection between enterprises.
e) DMVPN is used within a branch network. - ANS ✔✔a) DMVPN creates hub-to-spoke tunnels.
b) DMVPN creates spoke-to-spoke tunnels.
You have set up a small office/home office (SOHO) to work from home. You are using broadband internet
with a remote-access Virtual Private Network (VPN) to connect to your company resources. Which
statement correctly describes this deployment mode?
a) A VPN-capable router is required for the SOHO network.
b) You can use the web browser to establish a VPN tunnel.
c) A permanent VPN connection is required.
d) VPN tunneling is performed by the internet service provider (ISP). - ANS ✔✔b) You can use the web
browser to establish a VPN tunnel.
Which two types of cables can be used to connect to the console port of a Cisco router? (Choose two.)
a) crossover
b) rollover
c) serial
d) straight-through
e) USB - ANS ✔✔b) rollover
e) USB
Which type of cable is typically used to connect a core switch with a data center switch, where
bandwidth higher than 40 Gbps and low cost are required?
a) Category 5e UTP
b) Category 6 UTP
c) multimode fiber
