Over which of the following Ethernet standards does AWS Direct Connect link your internal network to an AWS Direct Connect location?
A. Copper backplane cable
B. Twisted pair cable
C. Single mode fiber-optic cable
D. Shielded balanced copper cable
True or false: A VPC contains multiple subnets, where each subnet can span multiple Availability Zones.
A. This is true only for US regions.
B. This is false.
C. This is true.
D. This is true only if requested during the set-up of VPC.
To connect to public AWS products such as Amazon EC2 and Amazon S3 through the AWS Direct Link, which step is NOT required?
A. Provide public IP address (/31) for each Border Gateway Protocol (BGP) session.
B. Allocate a Private IP address to your network in 172.x.x.x range.
C. Provide the public routes that you will advertise over Border Gateway Protocol (BGP).
D. Provide a public Autonomous System Number (ASN) that you own or a private one to identify your network on the Internet.
Your company has a highly-available Direct Connect solution that utilizes two datacenters. Each datacenter was initially configured with one four-connection LAG and one standard DX connection. How many LOA documents have been requested and completed for this configuration?
A. 1
B. 4
C. 2
D. 10
You have two VPCs that require DNS resolution from your on-premises data center. You want to have a DNS server in the cloud, but you don't want to have multiple DNS servers.
What two steps should you take? (Choose two.)
A. Peer the VPCs and set up routes between them.
B. Create a VPN between the two VPCs
C. Configure DHCP option sets in both VPCs to point to the DNS server.
D. Configure a Route 53 record to forward all DNS requests to the DNS server.
You want to send a broadcast message to your 10.0.0.0/24 subnet, which one of these addresses should you use?
A. 10.0.0.255
B. 10.0.0.1
C. 10.0.0.2
D. You cannot send a broadcast in an AWS VPC.
You have set up an S3 endpoint, and you want to restrict some instances from being able to access it. These instances are all in the same subnet, so you cannot simply remove the prefix list from the route table.
What two approaches can you take to solve this? (Choose two.)
A. Remove any access to the PL in the security group attached to the instances.
B. Add A rule in the NACL to block the prefix list ID outbound.
C. This is not possible.
D. Modify the endpoint policy.
You have several VPCs that are peered. Each VPC has several routes to different subnets. Over the years, your company has acquired many companies. You find that traffic destined for one VPC ends up going to another.
What is the best way to remedy this?
A. Move the route table entry for the proper VPC higher in the list.
B. Adjust your routes so the proper VPC has a higher CIDR.
C. Move the route table entry for the proper VPC lower in the list.
D. Adjust your routes so the proper VPC has a lower CIDR.
You have a hybrid infrastructure, and you need AWS resources to be able to resolve your on-premises DNS names. You have configured a DNS server on an EC2 instance in your 10.1.3.0/24 subnet. This subnet resides on the VPC 10.1.0.0/16. What step should you take to accomplish this?
A. Configure your DNS server to forward queries for the private hosted zone to 10.1.3.2.
B. Configure the DHCP option set in the VPC to point to the EC2 DNS server.
C. Configure your DNS server to forward queries for the private hosted zone to 10.1.0.2.
D. Disable the source/destination check flag for the DNS instance.
You are working with a government agency, and you need to choose an encryption standard for their VPN. Which standard should you choose?
A. Twofish
B. Blowfish
C. TripleDES
D. AES
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