SY0-401 Exam
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2021 Mar SY0-401 exam answers
Q401. Connections using point-to-point protocol authenticate using which of the following? (Select TWO).
A. RIPEMD
B. PAP
C. CHAP
D. RC4
E. Kerberos
Answer: B,C
Explanation:
B: A password authentication protocol (PAP) is an authentication protocol that uses a password. PAP is used by Point to Point Protocol to validate users before allowing them access to server resources.
C: CHAP is an authentication scheme used by Point to Point Protocol (PPP) servers to validate the identity of remote clients. CHAP periodically verifies the identity of the client by using a three-way handshake.
Q402. A way to assure data at-rest is secure even in the event of loss or theft is to use:
A. Full device encryption.
B. Special permissions on the file system.
C. Trusted Platform Module integration.
D. Access Control Lists.
Answer: A
Explanation:
Device encryption encrypts the data on the device. This feature ensures that the data on the device cannot be accessed in a useable form should the device be stolen.
Q403. A bank has recently deployed mobile tablets to all loan officers for use at customer sites. Which of the following would BEST prevent the disclosure of customer data in the event that a tablet is lost or stolen?
A. Application control
B. Remote wiping
C. GPS
D. Screen-locks
Answer: B
Explanation:
Remote wipe is the process of deleting data on a device in the event that the device is stolen. This is performed over remote connections such as the mobile phone service or the internet connection and helps ensure that sensitive data is not accessed by unauthorized people.
Q404. Which of the following should Matt, a security administrator, include when encrypting smartphones? (Select TWO).
A. Steganography images
B. Internal memory
C. Master boot records
D. Removable memory cards
E. Public keys
Answer: B,D
Explanation:
All useable data on the device should be encrypted. This data can be located on the hard drive, or removable drives, such as USB devices and memory cards, and on internal memory.
Q405. A company has proprietary mission critical devices connected to their network which are configured remotely by both employees and approved customers. The administrator wants to monitor device security without changing their baseline configuration. Which of the following should be implemented to secure the devices without risking availability?
A. Host-based firewall
B. IDS
C. IPS
D. Honeypot
Answer: B
Explanation:
Latest SY0-401 exam cost:
Q406. Which of the following can be used to mitigate risk if a mobile device is lost?
A. Cable lock
B. Transport encryption
C. Voice encryption
D. Strong passwords
Answer: D
Explanation:
Passwords are the most likely mechanism that can be used to mitigate risk when a mobile device is lost. A strong password would be more difficult to crack.
Q407. Which of the following network design elements allows for many internal devices to share one public IP address?
A. DNAT
B. PAT
C. DNS
D. DMZ
Answer: B
Explanation:
Port Address Translation (PAT), is an extension to network address translation (NAT) that permits multiple devices on a local area network (LAN) to be mapped to a single public IP address. The goal of PAT is to conserve IP addresses.
Most home networks use PAT. In such a scenario, the Internet Service Provider (ISP) assigns a single IP address to the home network's router. When Computer X logs on the Internet, the router assigns the client a port number, which is appended to the internal IP address. This, in effect, gives Computer X a unique address. If Computer Z logs on the Internet at the same time, the router assigns it the same local IP address with a different port number. Although both computers are sharing the same public IP address and accessing the Internet at the same time, the router knows exactly which computer to send specific packets to because each computer has a unique internal address.
Q408. A security team has identified that the wireless signal is broadcasting into the parking lot. To reduce the risk of an attack against the wireless network from the parking lot, which of the following controls should be used? (Select TWO).
A. Antenna placement
B. Interference
C. Use WEP
D. Single Sign on
E. Disable the SSID
F. Power levels
Answer: A,F
Explanation:
Placing the antenna in the correct position is crucial. You can then adjust the power levels to exclude the parking lot.
Q409. Protecting the confidentiality of a message is accomplished by encrypting the message with which of the following?
A. Sender's private key
B. Recipient's public key
C. Sender's public key
D. Recipient's private key
Answer: B
Explanation:
Q410. An administrator connects VoIP phones to the same switch as the network PCs and printers. Which of the following would provide the BEST logical separation of these three device types while still allowing traffic between them via ACL?
A. Create three VLANs on the switch connected to a router
B. Define three subnets, configure each device to use their own dedicated IP address range, and then connect the network to a router
C. Install a firewall and connect it to the switch
D. Install a firewall and connect it to a dedicated switch for each device type
Answer: A
Explanation:
A virtual local area network (VLAN) is a hardware-imposed network segmentation created by switches. VLANs are used for traffic management. Communications between ports within the same VLAN occur without hindrance, but communications between VLANs require a routing function.