» CCNA – Subnetting Questions 2

EnsurepassQuestion 1 Refer to the exhibit. Which VLSM mask will allow for the appropriate number of host addresses for Network A? A. /25 B. /26 C. /27 D. /28   Answer: A Explanation We need 66 hosts < 128 = 27 -> We need 7 bits 0 -> The subnet mask should be 1111 1111.1111 1111.1111 1111.1000 0000 -> /25 Question 2 Refer to the exhibit. Which subnet mask will place all hosts on Network B in the same subnet with the least amount of wasted addresses? A. B. Read more […]

» CCNA – Switch Questions 2

EnsurepassQuestion 1 In which circumstance are multiple copies of the same unicast frame likely to be transmitted in a switched LAN? A. after broken links are re-established B. in an improperly implemented redundant topology C. when upper-layer protocols require high reliability D. during high traffic periods E. when a dual ring topology is in use   Answer: B Explanation If we connect two switches via 2 or more links and do not enable STP on these switches then a loop (which Read more […]

» CCNA – Drag and Drop 5

EnsurepassQuestion 1 Drag the Cisco default administrative distance to the appropriate routing protocol or route (Not all options are used)   Answer: + RIP: 120 + OSPF: 110 + static route referencing IP address of next hop: 1 + internal EIGRP route: 90 + directly connected network: 0 Question 2 Drag the term on the left to its definition on the right (not all options are used)   Answer: + poison reverse: A router learns from its neighbor that a route is down and the router Read more […]

» CCNA – Subnetting

EnsurepassQuestion 1 Given a subnet mask of, which of the following addresses can be assigned to network hosts? (Choose three) A – B – C – D – E – F –   Answer: B C D Explanation A subnet mask of has an increment of 32 (the binary form of the last octet is 1110 0000) so we can’t use numbers which are the multiples of 32 because they are sub-network Read more […]

» CCNA – Switch Questions

EnsurepassQuestion 1 Which two commands can be used to verify a trunk link configuration status on a Cisco switch? (choose two) A. show interfaces trunk B. show interfaces switchport C. show ip interface brief D. show interfaces vlan   Answer: A B Explanation The “show interfaces trunk” command and “show interfaces switchport” command can be used to verify the status of an interface (trunking or not). The outputs of these commands are shown below (port Ethernet 1/0 has Read more […]

» CCNA – Drag and Drop 4

Ensurepassanswers to CCNA Drag and Drop Questions – Part 4 Question 1 Drag the function on the left to the matching security appliance or application on the right. (Not all functions are used)   Answer: 1) antispyware: detects software designed to capture sensitive information and removes it from the computer 2) antivirus: prevents known malicious programs from being installed on workstations 3) IDS: identifies malicious network traffic and alerts network personnel 4) firewall: filters Read more […]

» CCNA – Access List Questions

EnsurepassQuestion 1 Your boss is learning a CCNA training course, refer to the exhibit. The access list has been configured on the S0/0 interface of router RTB in the outbound direction. Which two packets, if routed to the interface, will be denied? (Choose two) access-list 101 deny tcp any eq telnet access-list 101 permit ip any any A. source ip address:; destination port: 21 B. source ip address: destination port: 21 C. source ip address: Read more […]

» CCNA – EIGRP Questions

EnsurepassQuestion 1 Refer to the exhibit, when running EIGRP what is required for R1 to exchange routing updates with R3? A – AS numbers must be changed to match on all the routers B – Loopback interfaces must be configured so a DR is elected C – The no auto-summary command is needed on R1 and R3 D – R2 needs to have two network statements, one for each connected network   Answer: A Question 2: As a Cisco technician, you need to know EIGRP protocol very well. Which of Read more […]

» CCNA – Protocols & Services

EnsurepassQuestion 1 An administrator attempts a traceroute but receives a “Destination Unreachable” message. Which protocol is responsible for that message? A. RARP B. RUDP C. ICMP D. SNMP   Answer: C Explanation The ICMP destination unreachable message is generated by a router (which is reachable) to inform the source host that the destination unicast address is unreachable. Question 2 DNS servers provide what service? A. They run a spell check on host names to ensure Read more […]

» CCNA – Drag and Drop 3

Ensurepassanswers to CCNA Drag and Drop Questions – Part 3 Question 1 Drag the security features on the left to the specific security risks they help protect against on the right. (Not all options are used)   Answer: 1) VTY password: remote access to device console 2) console password: access to the console 0 line 3) access-group: access to connected networks or resources 4) service password-encryption: viewing of passwords 5) enable secret: access to privileged mode The unselected Read more […]

» CCNA – OSPF Questions 2

EnsurepassQuestion 1 Refer to the exhibit. Which two statements are true about the loopback address that is configured on RouterB? (Choose two) A. It ensures that data will be forwarded by RouterB. B. It provides stability for the OSPF process on RouterB. C. It specifies that the router ID for RouterB should be D. It decreases the metric for routes that are advertised from RouterB. E. It indicates that RouterB should be elected the DR for the LAN.   Answer: B C Explanation A Read more […]

» CCNA – Show Command Questions

EnsurepassQuestion 1 Refer to the exhibit. What can be determined from the output? A. is local to the router. B. is local to the router. C. will age out in less than 1 minute. D. has aged out and is marked for deletion.   Answer: B Explanation The “Age” field in the “show ip arp” command is the age in minutes of the cache entry. A hyphen (-) means the address is local so in this case & are Read more […]

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