You deployed an LDAP server on Compute Engine that is reachable via TLS through port 636 using UDP. You want to make sure it is reachable by clients over that port. What should you do?
A.
Add the network tag allow-udp-636 to the VM instance running the LDAP server.
B.
Create a route called allow-udp-636 and set the next hop to be the VM instance running the LDAP server.
C.
Add a network tag of your choice to the instance. Create a firewall rule to allow ingress on UDP port 636 for that network tag.
D.
Add a network tag of your choice to the instance running the LDAP server. Create a firewall rule to allow egress on UDP port 636 for that network tag.
Answer C is correct: Add a network tag of your choice to the instance. Create a firewall rule to allow ingress on UDP port 636 for that network tag.
To make sure that the LDAP server is reachable by clients over port 636 using UDP, you need to allow ingress traffic on that port. You can achieve this by adding a network tag to the instance running the LDAP server and then creating a firewall rule that allows ingress traffic on UDP port 636 for that network tag.
Answer D is incorrect because adding a network tag of your choice to the instance running the LDAP server and creating a firewall rule to allow egress traffic on UDP port 636 for that network tag would not allow incoming traffic on that port. You need to create a firewall rule that allows ingress traffic on that port.
You are developing a new web application that will be deployed on Google Cloud Platform. As part of your release cycle, you want to test updates to your application on a small portion of real user traffic. The majority of the users should still be directed towards a stable version of your application. What should you do?
A. Deploy me application on App Engine For each update, create a new version of the same service Configure traffic splitting to send a small percentage of traffic to the new version
B. Deploy the application on App Engine For each update, create a new service Configure traffic splitting to send a small percentage of traffic to the new service.
C. Deploy the application on Kubernetes Engine For a new release, update the deployment to use the new version
D. Deploy the application on Kubernetes Engine For a now release, create a new deployment for the new version Update the service e to use the now deployment.
C A tag is simply a character string added to a tags field in a resource, such as Compute Engine virtual machine (VM) instances or instance templates. A tag is not a separate resource, so you cannot create it separately. All resources with that string are considered to have that tag. Tags enable you to make firewall rules and routes applicable to specific VM instances.
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