Quantcast
Channel: CCNA Training
Browsing all 515 articles
Browse latest View live

Image may be NSFW.
Clik here to view.

Miscellaneous Questions

Question 1 Question 2 Explanation Cisco Express Forwarding (CEF) provides the ability to switch packets through a device in a very quick and efficient way while also keeping the load on the router’s...

View Article


Image may be NSFW.
Clik here to view.

Wireless Questions

Question 1 Explanation Many Cisco access points offer single or double (dual) radio (2.4 and 5.0 GHz). Note: The wireless controller automates wireless configuration and management functions. It does...

View Article


Image may be NSFW.
Clik here to view.

SDN Solution

Question 1 Explanation The Cisco Application Policy Infrastructure Controller (APIC) is the main architectural component of the Cisco ACI solution. It is the unified point of automation and management...

View Article

NTP Questions

Question 1 Explanation Use the “ntp server” to form an association with a NTP server. Question 2 Explanation An Authoritative NTP Server can distribute time even when it is not synchronized to an...

View Article

SNMP Questions

Question 1 Explanation The user-based access control implemented by SNMPv3 is based on contexts and user names, rather than on IP addresses and community strings. It is a partial implementation of the...

View Article


Image may be NSFW.
Clik here to view.

Syslog Questions

Question 1 Explanation The “service timestamps log” command configures the system to apply a time stamp to logging messages. The time-stamp format for datetime is MMM DD HH:MM:SS, where MMM is the...

View Article

Image may be NSFW.
Clik here to view.

DHCP Questions

Question 1 Explanation The command “show ip dhcp conflict” is used to display address conflicts found by a Cisco IOS DHCP Server when addresses are offered to the client. An example of the output of...

View Article

Image may be NSFW.
Clik here to view.

Troubleshooting Questions

Question 1 Explanation At the end of each frame there is a Frame Check Sequence (FCS) field. FCS can be analyzed to determine if errors have occurred. FCS uses cyclic redundancy check (CRC) algorithm...

View Article


Image may be NSFW.
Clik here to view.

Security Questions

Question 1 Question 2 Explanation The service password-encryption command will encrypt all current and future passwords so any password existed in the configuration will be encrypted. Question 3...

View Article


Image may be NSFW.
Clik here to view.

IPv6 Questions 2

Question 1 Explanation IPv6 router advertisement message is one type of the ICMPv6 packets with Type field value of 134. It lists many facts, including the link-local IPv6 address of the router....

View Article

Image may be NSFW.
Clik here to view.

IPv6 Questions

Question 1 Explanation In this case we use two rules: + Leading zeros in a field are optional+ Successive fields of 0 are represented as ::, but only once in an address If you are not sure about IPV6,...

View Article

HSRP Questions

Question 1 Explanation First Hop Redundancy Protocol (FHRP) is a protocol that enables two or more devices to work together in a group, sharing a single IP address, the virtual IP address. One router...

View Article

Image may be NSFW.
Clik here to view.

NAT/PAT Questions

Question 1 Question 2 Explanation By adding the keyword “overload” at the end of a NAT statement, NAT becomes PAT (Port Address Translation). This is also a kind of dynamic NAT that maps multiple...

View Article


IP SLA Questions

Question 1 Question 2 Explanation The ICMP Echo operation measures end-to-end response time between a Cisco router and any devices using IP. Response time is computed by measuring the time taken...

View Article

Image may be NSFW.
Clik here to view.

BGP Questions

Question 1 Explanation This command can be used to verify if a BGP connection to a BGP neighbor is good or not. Let’s see an example: Please pay attention to the “State/PfxRcd” column of the output....

View Article


Image may be NSFW.
Clik here to view.

EIGRP Questions

Question 1 Explanation Below is an example of the “show ip eigrp neighbors” output. Let’s analyze these columns: + H: lists the neighbors in the order this router was learned + Address: the IP address...

View Article

OSPF Questions

Question 1 Question 2 Question 3 Question 4 Explanation In order to become OSPF neighbor following values must be match on both routers: + Area ID + Authentication + Hello and Dead Intervals + Stub...

View Article


RIP Questions

Question 1 Explanation “Enable RIP” is surely correct to configure RIPv2 but “enable auto-summary” is not recommended. Maybe there is another suitable option for this question (like “use ‘version 2’...

View Article

Subnetting Questions

Question 1 Explanation Network A needs 120 hosts < 128 = 27 -> Need a subnet mask of 7 bit 0s -> “/25″. Because the ip subnet-zero command is used, network 172.16.3.0/30 can be used. Answer E...

View Article

Image may be NSFW.
Clik here to view.

IP Routing

Question 1 Explanation When one route is advertised by more than one routing protocol, the router will choose to use the routing protocol which has lowest Administrative Distance. The Administrative...

View Article
Browsing all 515 articles
Browse latest View live