WorksheetsN10-007 Module 3a
Total questions: 23
Worksheet time: 46mins
Name
Class
Date
1.
QUESTION 14 Which of the following are DNS record types? (Choose three.)
a)
A. CNAME
b)
B. SRV
c)
C. PTR
d)
D. LDAP
e)
E. DHCP
2.
QUESTION 17 The security manager reports that individual systems involved in policy or security violations or incidents cannot be located quickly. The security manager notices the hostnames all appear to be randomly generated characters. Which of the following would BEST assist the security manager identifying systems involved in security incidents?
a)
A. Enforce port security to require system authentication
b)
B. Implement a standardized UNC
c)
C. Label existing systems with current hostnames
d)
D. Forward the DHCP logs to the security manager every day
3.
QUESTION 24 Which of the following DNS record types allows IPv6 records to be resolved to DNS names?
a)
A. PTR
b)
B. A
c)
C. AAAA
d)
D. SRV
4.
QUESTION 27 Which of the following DNS records needs to be configured for SMTP traffic?
a)
A. MX
b)
B. CNAME
c)
C. AAAA
d)
D. PTR
5.
QUESTION 35 Which of the following protocols can be both connection-oriented and connectionless?
a)
A. 20 FTP
b)
B. 53 DNS
c)
C. 67 DHCP
d)
D. 80 HTTP
6.
QUESTION 71 While working on a Linux-based OS, a technician experiences an issue accessing some servers and some sites by name. Which of the following command-line tools should the technician use to assist in troubleshooting?
a)
A. dig
b)
B. iptables
c)
C. ifconfig
d)
D. traceroute
7.
QUESTION 81 Which of the following DNS record types is an alias?
a)
A. CNAME
b)
B. PTR
c)
C. NS
d)
D. SRV
8.
QUESTION 14 A network administrator would like to collect information from several networking devices using SNMP. Which of the following SNMP options should a network administrator use to ensure the data transferred also confidential?
a)
A. authPriv
b)
B. SHA
c)
C. MD5
d)
D. Authentication passphrase
9.
QUESTION 17 A network administrator has a monitoring system in place that is currently polling hundreds of network devices at regular intervals. The continuous polling is causing high CPU utilization on the server. Which of the following tasks should the administrator perform to resolve the CPU issue while maintaining full monitoring capabilities?
a)
A. Remove SNMP polling and configure SNMP traps on each network device
b)
B. Remove SNMP polling and implement snmpwalk on each network device
c)
C. Upgrade SNMP to the latest version to mitigate vulnerabilities
d)
D. Modify SNMP polling to poll only during business hours
10.
QUESTION 51 An assistant systems analyst reports the following findings of an investigation of slow Internet connections in a remote office to the senior systems analyst: Which of the following devices is causing the issue?
a)
A. Router
b)
B. Firewall
c)
C. Switch 1
d)
D. Switch 2
11.
QUESTION 54 A network administrator is going to be performing a major upgrade to the network. Which of the following should the administrator use in case of a failure?
a)
A. Baseline report
b)
B. Vulnerability report
c)
C. Rollback plan
d)
D. Business continuity plan
12.
QUESTION 54 A network administrator is testing connectivity at a new corporate site. The site has a wireless guest, as well as a wired employee network. After verifying connectivity, the administrator checks link speeds by using a speed testing website. The speed testing website shows lower download and upload speeds for the wired network than the wireless network. Which of the following is the MOST likely explanation?
a)
A. There is less local congestion on the wireless network
b)
B. The testing server for the wired network was farther away
c)
C. The firewall is configured to throttle traffic to specific websites
d)
D. The wireless access points were misconfigured
13.
QUESTION 6 A company recently upgraded all its printers to networked multifunction devices. Users can print to the new devices, but they would also like the ability to scan and fax files from their computers. Which of the following should the technician update to allow this functionality?
a)
A. Device software
b)
B. Printer drivers
c)
C. Printer firmware
d)
D. NIC drivers
14.
QUESTION 66 A critical vulnerability is discovered on a network device. The vendor states it has already patched this vulnerability in its current release. Which of the following actions should an administrator take?
a)
A. Change the default password
b)
B. Use a firewall in front of the device.
c)
C. Update the firmware.
d)
D. Upgrade the configuration.
15.
QUESTION 84 A technician is utilizing SNMPv3 to monitor network statistics. Which of the following actions would occur immediately of a server's utilization spikes above the prescribed value?
a)
A. A trap message is sent via UDP to the monitoring workstation.
b)
B. The SET function pushes an alert to the MIB database.
c)
C. The object identifier is modified and reported during the next monitoring cycle.
d)
D. A response message is sent from the agent to the manager.
16.
QUESTION 12 Users are reporting their network is extremely slow. The technician discovers pings to external host have excessive response times. However, internal pings to printers and other PCs have acceptable response times. Which of the following steps should the technician take NEXT?
a)
A. Determine if any network equipment was replaced recently
b)
B. Verify malware has not disabled the users' PC firewalls
c)
C. Replace users' network cables with known-good network cables
d)
D. Power cycle the web server
17.
QUESTION 22 A home user has purchased a new smart TV to stream online video services. The smart TV is unable to connect to the wireless network after several attempts. After returning from vacation, the home user tries again and can connect the TV to the wireless network. However, the user notices a laptop is no longer able to connect to the network. Which of the following is the MOST likely cause?
a)
A. The DHCP scope has been exhausted.
b)
B. The security passcode has been changed.
c)
C. The SSID is hidden.
d)
D. The AP configuration was reset.
18.
QUESTION 26 A network technician is troubleshooting an issue and has established a theory of probable cause. Which of the following steps should the network technician take NEXT?
a)
A. Test the possible solution
b)
B. Question the users
c)
C. Determine what has changed
d)
D. Document the theory
19.
QUESTION 28 An ISP technician gets a call from a business that just changed equipment but can no longer connect to the Internet. The technician checks the ARP table on the ISP switch, and there is no corresponding MAC address present. Instead, the entry is "Incomplete". Which of the following could cause this condition?
a)
A. VLAN mismatch
b)
B. Duplex/Speed mismatch
c)
C. Duplicate IP address
d)
D. TX/RX reverse
20.
QUESTION 30 A network technician receives a call from a user who is experiencing network connectivity issues. The network technician questions the user and learns the user brought in a personal wired router to use multiple computers and connect to the network. Which of the following has the user MOST likely introduced to the network?
a)
A. Rogue DHCP server
b)
B. Evil twin
c)
C. VLAN mismatch
d)
D. Honeypot
21.
QUESTION 48 Users are reporting issues with slow connection speeds and a loss of connectivity on the newly installed wireless network. The issues are intermittent but seem to occur most often around midday. Which of the following is the MOST likely cause?
a)
A. There is interference from small appliances
b)
B. The signal coverage area is too small
c)
C. Not enough DHCP addresses have been allotted
d)
D. The DNS cache on the users' computers has become corrupt
22.
QUESTION 72 A junior network technician receives a help desk ticket from an end user who is having trouble accessing a web application that was working the previous day. After talking with the end user and gathering information about the issue, which of the following would be the most likely course of action for the technician to perform NEXT?
a)
A. Establish a theory of probable cause.
b)
B. Escalate the ticket to a senior technician.
c)
C. Implement the solution.
d)
D. Document the findings and outcomes.
23.
QUESTION 73 A system administrator receives reports from users of odd behavior in regard to a recently installed server. While reviewing the server network configuration, the systems administrator does both a forward and a reverse DNS lookup on the host, along with the network adapter configuration. Which of the following is the problem identified in the output above?
a)
A. There is no reverse DNS entry for this host.
b)
B. The server IP address is incorrectly configured.
c)
C. The DNS lookup entry is incorrectly configured.
d)
D. The reverse DNS entry is pointing to a different host.
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