Question 51
A network administrator is designing a new datacenter in a different region that will need to communicate to the old datacenter with a secure connection. Which of the following access methods would provide the BEST security for this new datacenter?
A. Virtual network computing
B. Secure Socket Shell
C. In-band connection
D. Site-to-site VPN
Question 52
An attacker is attempting to find the password to a network by inputting common words and phrases in plaintext to the password prompt. Which of the following attack types BEST describes this action?
A. Pass-the-hash attack
B. Rainbow table attack
C. Brute-force attack
D. Dictionary attack
Question 53
Which of the following technologies provides a failover mechanism for the default gateway?
A. FHRP
B. LACP
C. OSPF
D. STP
Question 54
The following configuration is applied to a DHCP server connected to a VPN concentrator:
There are 300 non-concurrent sales representatives who log in for one hour a day to upload reports, and 252 of these representatives are able to connect to theVPN without any Issues. The remaining sales representatives cannot connect to the VPN over the course of the day. Which of the following can be done to resolve the issue without utilizing additional resources?
A. Decrease the lease duration
B. Reboot the DHCP server
C. Install a new VPN concentrator
D. Configure a new router
Question 55
A technician needs to configure a Linux computer for network monitoring. The technician has the following information:
Linux computer details:
After connecting the Linux computer to the mirror port on the switch, which of the following commands should the technician run on the Linux computer?
A. ifconfig ecth0 promisc
B. ifconfig eth1 up
C. ifconfig eth0 10.1.2.3
D. ifconfig eth1 hw ether A1:B2:C3:D4:E5:F6
Question 56
A network engineer is investigating reports of poor network performance. Upon reviewing a device configuration, the engineer finds that duplex settings are mismatched on both ends. Which of the following would be the MOST likely result of this finding?
A. Increased CRC errors
B. Increased giants and runts
C. Increased switching loops
D. Increased device temperature
Question 57
Which of the following devices would be used to manage a corporate WLAN?
A. A wireless NAS
B. A wireless bridge
C. A wireless router
D. A wireless controller
Question 58
Which of the following types of devices can provide content filtering and threat protection, and manage multiple IPSec site-to-site connections?
A. Layer 3 switch
B. VPN headend
C. Next-generation firewall
D. Proxy server
E. Intrusion prevention
Question 59
An engineer notices some late collisions on a half-duplex link. The engineer verifies that the devices on both ends of the connection are configured for half duplex.
Which of the following is the MOST likely cause of this issue?
A. The link is improperly terminated
B. One of the devices is misconfigured
C. The cable length is excessive
D. One of the devices has a hardware issue
Question 60
A network administrator is configuring a load balancer for two systems. Which of the following must the administrator configure to ensure connectivity during a failover?
A. VIP
B. NAT
C. APIPA
D. IPv6 tunneling
E. Broadcast IP
