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SY0-401 Latest Exam (Sep 2017)

[Free] 2017(Sep) EnsurePass Passguide CompTIA SY0-401 Dumps with VCE and PDF 61-70

September 20, 2017

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2017 Sep CompTIA Official New Released SY0-401
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CompTIA Security Certification

Question No: 61 – (Topic 1)

Which of the following uses port 22 by default? (Select THREE).

  1. SSH

  2. SSL

  3. TLS

  4. SFTP

  5. SCP

  6. FTPS

  7. SMTP

  8. SNMP

Answer: A,D,E Explanation:

SSH uses TCP port 22. All protocols encrypted by SSH, including SFTP, SHTTP, SCP, SExec, and slogin, also use TCP port 22.

Question No: 62 – (Topic 1)

A firewall technician has been instructed to disable all non-secure ports on a corporate firewall. The technician has blocked traffic on port 21, 69, 80, and 137-139. The technician

has allowed traffic on ports 22 and 443. Which of the following correctly lists the protocols blocked and allowed?

  1. Blocked: TFTP, HTTP, NetBIOS; Allowed: HTTPS, FTP

  2. Blocked: FTP, TFTP, HTTP, NetBIOS; Allowed: SFTP, SSH, SCP, HTTPS

  3. Blocked: SFTP, TFTP, HTTP, NetBIOS; Allowed: SSH, SCP, HTTPS

  4. Blocked: FTP, HTTP, HTTPS; Allowed: SFTP, SSH, SCP, NetBIOS

Answer: B Explanation:

The question states that traffic on port 21, 69, 80, and 137-139 is blocked, while ports 22 and 443 are allowed.

Port 21 is used for FTP by default. Port 69 is used for TFTP.

Port 80 is used for HTTP.

Ports 137-139 are used for NetBIOS. VMM uses SFTP over default port 22. Port 22 is used for SSH by default.

SCP runs over TCP port 22 by default. Port 443 is used for HTTPS.

Question No: 63 – (Topic 1)

Pete needs to open ports on the firewall to allow for secure transmission of files. Which of the following ports should be opened on the firewall?

  1. TCP 23

  2. UDP 69

  3. TCP 22

  4. TCP 21

Answer: C Explanation:

SSH uses TCP port 22. All protocols encrypted by SSH, including SFTP, SHTTP, SCP, SExec, and slogin, also use TCP port 22. Secure Copy Protocol (SCP) is a secure file- transfer facility based on SSH and Remote Copy Protocol (RCP). Secure FTP (SFTP) is a secured alternative to standard File Transfer Protocol (FTP).

Question No: 64 – (Topic 1)

Which of the following devices is MOST likely being used when processing the following?

  1. PERMIT IP ANY ANY EQ 80

  2. DENY IP ANY ANY

  1. Firewall

  2. NIPS

  3. Load balancer

  4. URL filter

Answer: A Explanation:

Firewalls, routers, and even switches can use ACLs as a method of security management. An access control list has a deny ip any any implicitly at the end of any access control list. ACLs deny by default and allow by exception.

Question No: 65 – (Topic 1)

Which of the following offers the LEAST amount of protection against data theft by USB drives?

  1. DLP

  2. Database encryption

  3. TPM

  4. Cloud computing

Answer: D Explanation:

Cloud computing refers to performing data processing and storage elsewhere, over a network connection, rather than locally. Because users have access to the data, it can easily be copied to a USB device.

Question No: 66 – (Topic 1)

The server administrator has noted that most servers have a lot of free disk space and low memory utilization. Which of the following statements will be correct if the server administrator migrates to a virtual server environment?

  1. The administrator will need to deploy load balancing and clustering.

  2. The administrator may spend more on licensing but less on hardware and equipment.

  3. The administrator will not be able to add a test virtual environment in the data center.

  4. Servers will encounter latency and lowered throughput issues.

Answer: B Explanation:

Migrating to a virtual server environment reduces cost by eliminating the need to purchase, manage, maintain and power physical machines. The fewer physical machines you have, the less money it costs.

Question No: 67 – (Topic 1)

Which of the following is a programming interface that allows a remote computer to run programs on a local machine?

  1. RPC

  2. RSH

  3. SSH

  4. SSL

Answer: A Explanation:

Remote Procedure Call (RPC) is a programming interface that allows a remote computer to run programs on a local machine.

Question No: 68 – (Topic 1)

Which of the following ports and protocol types must be opened on a host with a host- based firewall to allow incoming SFTP connections?

  1. 21/UDP

  2. 21/TCP

  3. 22/UDP

  4. 22/TCP

Answer: D Explanation:

SSH uses TCP port 22. All protocols encrypted by SSH, including SFTP, SHTTP, SCP, SExec, and slogin, also use TCP port 22.

Question No: 69 – (Topic 1)

A system administrator wants to enable WPA2 CCMP. Which of the following is the only encryption used?

  1. RC4

  2. DES

  3. 3DES

  4. AES

Answer: D Explanation:

Cipher Block Chaining Message Authentication Code Protocol (CCMP) makes use of 128- bit AES encryption with a 48-bit initialization vector.

Question No: 70 – (Topic 1)

Which of the following is a directional antenna that can be used in point-to-point or point-to- multi-point WiFi communication systems? (Select TWO).

  1. Backfire

  2. Dipole

  3. Omni

  4. PTZ

  5. Dish

Answer: A,E

Explanation:

Both the Backfire and the Dish antennae are high gain antenna types that transmit a narrow beam of signal. It can therefore be used as a point-to-point antenna over short distances, but as point-to-multi-point antenna over longer distances.

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