Welcome to CCNA Interview Prep
This practice quiz is designed to prepare you for a CCNA technical interview.
What is the default duplex setting on a Cisco Gigabit Ethernet interface?
Why is DHCP relay feature enabled on a router?
How is a root bridge elected when all Cisco switches have a default configuration?
What is the default DTP mode on a Cisco switch port?
What are the non-overlapping channels on an 802.11g wireless radio?
What connection-oriented transport protocol and port number is assigned to SSH?
How does a Cisco router select a route in the routing table when multiple routes exist to the same destination exist?
What is the purpose of login local command on VTY lines?
What switch interface-level command is used to bind a physical switch port to a port channel?
What is the administrative distance of OSPF?
What is the transport protocol and application port number for FTP?
What is the command to configure voice VLAN 100 on a switch port?
What protocol will display the IOS version of a neighbor switch?
What is a network layer protocol?
What is the purpose of CSMA/CA?
What is administrative distance of EIGRP?
How many collision domains does a switch with 48 GE ports and 10 VLANs create?
What is the length of an IPv6 address in bits?
What is the purpose of DNS?
What is RFC 1918 addressing?
What happens when a frame arrives at a switch and the destination MAC address is not in the MAC address table?
What is the difference between unicast and broadcast messages?
What is the difference between standard ACL and extended ACL?
What is the IOS command to configure an access port on a Cisco switch?
What protocol mode must be configured on at least one switch interface to enable LACP etherchannel negotiation?
What are the components of a 3-way TCP handshake?
What is a data link layer protocol?
What is the difference between a Layer 2 switch and Layer 3 switch?
What happens after your laptop first connects to the network, obtains an IP address from DHCP server, and starts a browser session?
What is a difference between TCP and UDP?
What is enabled on a switch to prevent broadcast storms?
What is the default metric used with OSPF to calculate path cost?
What is an example of an SDN controller?
What protocol notifies an IP phone of the voice vlan ID configured on a switch port?
What is the purpose of ARP?
What is the default VLAN number assigned to the native VLAN?
What is the only private IP address from the following?
What is the default last statement of a Cisco IPv4 extended ACL?
What is the difference between a broadcast domain and a collision domain on a switch with Gigabit Ethernet ports?
What IOS command will only display network interfaces and operational status on a Cisco device?
What is the administrative distance of a static route?
What is an advantage of subnetting?
What is an example of a link state routing protocol?
How is spanning tree information communicated between Cisco switches?
Where would you configure an SVI?
How many host IP addresses are assignable with /30 subnet mask?
How is a Cisco IP phone configured on startup?
What IOS command is used to assign VLAN 10 to an access port on a Cisco switch?
What OSPF network type is an Ethernet interface?
What is the subnet mask length of a host route?
What does ping troubleshooting tool display?
What network protocol enables time synchronization between Cisco devices?
What is the CIDR slash notation for subnet mask 255.255.255.240?
What is the wildcard mask for /24 subnet mask?
What protocol is associated with ip name-server command on a Cisco device?
Where does a lightweight access point obtain configuration settings?
What does traceroute command display that is NOT shown with ping command?
What is the transport protocol and application port number for Telnet?
What is the default number of equal cost paths that OSPF load balances?
Is SNMP connection-oriented or connectionless and what is the application port number?
What is the advantage of configuring an enable secret password?
Where is the startup configuration stored on a Cisco device?
What is the primary purpose of HSRP?
What cable type is used to connect your laptop to console port of a Cisco device?
What Windows host command is used to verify TCP/IP settings?
What is the default priority on a Cisco Catalyst switch?
What is the default metric/s used with EIGRP to calculate lowest (best) cost path?
What is the purpose of 802.1q protocol on a Cisco switch?
What is the default security level of an unconfigured Cisco device?
What protocol provides messaging to a host when a route is unreachable?
What command is used to display the MAC address table on a Cisco switch?
What is the purpose of administrative distance?
What is an advantage of EtherChannel?
What connector type is used with Ethernet copper cable?
What is the transport protocol and application port number for HTTPS?
What is the purpose of NAT?
What type of communication describes the transport layer for a TCP connection?
What is the purpose of PortFast?
What is the purpose of a service set identifier (SSID)?
What is the mandatory decimal number of the backbone area with OSPF multi-area design?
How many host IP addresses are assignable to network interfaces on a local subnet with /28 subnet mask?
Where do you configure PortFast?
What Ethernet cable type is used to connect your desktop to a switch?
What is default VLAN on a Cisco switch?
What is the default subnet mask for a class B address?
What is the maximum number of assignable host IP addresses with a /24 subnet mask?
What is the command to verify routing path from a Windows host to a server?
What component of a route is used to forward packets?
What is the default subnet mask for a class C address?
What is the purpose of a default gateway?
What IOS command displays uptime on a Cisco switch?
What is the purpose of CDP?
What routable IP interface is configured on a Cisco device for management purposes?
What address type is mandatory when enabling IPv6 on a router interface?
What is the command to verify the operational status of a Cisco trunk interface?
When is a default route selected for packet forwarding?
What address class is 10.0.0.0/8?
What is an advantage of SSH over Telnet for remote management access?
Why is a floating static route typically configured?