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Q1. A technician is helping a SOHO determine where to install the server. Which of the following should be considered FIRST?
A. Compatibility requirements
B. Environment limitations
C. Cable length
D. Equipment limitations
Answer: B
Q2. A technician, Joe, has been tasked with assigning two IP addresses to WAN interfaces on connected routers. In order to conserve address space, which of the following subnet masks should Joe use for this subnet?
A. /24
B. /32
C. /28
D. /29
E. /30
Answer: E
Q3. Company policies require that all network infrastructure devices send system level information to a centralized server. Which of the following should be implemented to ensure the network administrator can review device error information from one central location?
A. TACACS+ server
B. Single sign-on
C. SYSLOG server
D. Wi-Fi analyzer
Answer: C
Q4. Two weeks after installation, a network technician is now unable to log onto any of the newly installed company switches. The technician suspects that a malicious user may have changed the switches' settings before they were installed in secure areas. Which of the following is the MOST likely way in which the malicious user gained access to the switches?
A. Via SSH using the RADIUS shared secret
B. Via HTTP using the default username and password
C. Via console using the administrator's password
D. Via SNMP using the default RO community
Answer: B
Q5. Which of the following protocols uses label-switching routers and label-edge routers to forward traffic?
A. BGP
B. OSPF
C. IS-IS
D. MPLS
Answer: D
Q6. An outside organization has completed a penetration test for a company. One of the items on the report is reflecting the ability to read SSL traffic from the web server. Which of the following is the MOST likely mitigation for this reported item?
A. Ensure patches are deployed
B. Install an IDS on the network
C. Configure the firewall to block traffic on port 443
D. Implement a VPN for employees
Answer: A
Q7. It has been determined by network operations that there is a severe bottleneck on the company's mesh topology network. The field technician has chosen to use log management and found that one router is making routing decisions slower than others on the network. This is an example of which of the following?
A. Network device power issues
B. Network device CPU issues
C. Storage area network issues
D. Delayed responses from RADIUS
Answer: B
Q8. Which of the following would be used in an IP-based video conferencing deployment? (Select TWO).
A. RS-232
B. 56k modem
C. Bluetooth
D. Codec
E. SIP
Answer: DE
Q9. Which of the following is MOST likely to use an RJ-11 connector to connect a computer to an ISP using a POTS line?
A. Multilayer switch
B. Access point
C. Analog modem
D. DOCSIS modem
Answer: C
Q10. A network administrator recently installed a web proxy server at a customer's site. The following week, a system administrator replaced the DNS server overnight. The next day, customers began having issues accessing public websites. Which of the following will resolve the issue?
A. Update the DNS server with the proxy server information.
B. Implement a split horizon DNS server.
C. Reboot the web proxy and then reboot the DNS server.
D. Put the proxy server on the other side of the demarc.
Answer: A
Q11. A system administrator wants to update a web-based application to the latest version. Which of the following procedures should the system administrator perform FIRST?
A. Remove all user accounts on the server
B. Isolate the server logically on the network
C. Block all HTTP traffic to the server
D. Install the software in a test environment
Answer: D
Q12. A company has changed ISPs for their office and ordered a new 250 Mbps symmetrical Internet connection. As a result, they have been given a new IP range. The ISP has assigned the company
10.10.150.16 /28. The company gateway router has the following interface configuration facing the ISP:
Interface A:
IP address: 10.10.150.16
Subnet mask: 255.255.255.240
Default gateway: 10.10.150.32
Speed: 1000 Mbps
Duplex: Auto
State: No Shutdown
None of the workstations at the company are able to access the Internet. Which of the following are the reasons? (Select TWO).
A. There is a duplex mismatch between the router and ISP.
B. The router interface is turned off.
C. The interface is set to the incorrect speed.
D. The router is configured with the incorrect subnet mask.
E. The router interface is configured with the incorrect IP address.
F. The default gateway is configured incorrectly.
Answer: EF
Q13. A network technician has just installed a TFTP server on the administrative segment of the network to store router and switch configurations. After a transfer attempt to the server is made, the process errors out. Which of the following is a cause of the error?
A. Only FTP can be used to copy configurations from switches
B. Anonymous users were not used to log into the TFTP server
C. An incorrect password was used and the account is now locked
D. Port 69 is blocked on a router between the network segments
Answer: D
Q14. A network technician is troubleshooting a problem at a remote site. It has been determined that the connection from router A to router B is down. The technician at the remote site re-terminates the CAT5 cable that connects the two routers as a straight through cable. The cable is then tested and is plugged into the correct interface. Which of the following would be the result of this action?
A. The normal amount of errors and the connection problem has been resolved.
B. The interface status will indicate that the port is administratively down.
C. The traffic will flow, but with excessive errors.
D. The interface status will show line protocol down.
Answer: D
Q15. A technician needs to set aside addresses in a DHCP pool so that certain servers always receive the same address. Which of the following should be configured?
A. Leases
B. Helper addresses
C. Scopes
D. Reservations
Answer: D